 Mud creepers (mangrove whelk, brackish-water snail, gastropod mollusk, Terebralia palustris) in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Mangrove whelk (mud creepers, brackish-water snail, gastropod mollusk, Terebralia palustris) in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Corals and sea snails at low tide on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Algae Oyster Thief (Colpomenia sinuosa) at low tide on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Feral dogs in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Seaweed (algae) on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Dead corals on a beach of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Sedge (Cyperus conglomeratus) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 European seaheath (Frankenia pulverulenta) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Qatar Natural History Group (QNHG) at Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Qatar Natural History Group (QNHG) on dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Blooming Sea Lavender (Limonium axillare, local name Qetaif) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Flowers of Sea Lavender (Limonium axillare, local name Qetaif) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Buck s horn groundsel (Senecio glaucus, mureer) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Seedling of a salt tolerant plant Anabasis setifera in dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Qatar Natural History Group (QNHG) near a fishing shack in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Tiny desert flowers of European seaheath (Frankenia pulverulenta) growing in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Dried parasitic plant Cynomorium coccineum (desert, or red thumb, tarthuth) in dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum, local name Ghasoul) in dunes of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Desert Hyacinth (Cistanche tubulosa) with a host plant, a salt tolerant succulent, at Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Small yellow flowers of Buck s horn groundsel (Senecio glaucus, mureer) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Small flower of Egyptian Fig-marigold (slenderleaf ice plant, Mesembryanthemum nodiflorum, local name Ghasoul) in sands of Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais, March 24, 2012
 Ventral view of sea slug (shell-less marine gastropod mollusk, Peronia peronii, Onchidium peronii) at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Mud crab in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Eggs of sea birds Sterna (terns) in Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Intertidal algal cyanobacterial mats in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Some sand mounds in shallow water of salt marsh near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Mangroves (Avicennia marina) with aerial roots (pneumatophores) in salt marsh near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) in salt marsh near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Intertidal polygonally cracked algal cyanobacterial mats in mangroves area near Jazirat Umm Tays, barrier island at northern tip of Qatar, east from Ruwais. Qatar, April 12, 2013
 Sea slug (shell-less gastropod mollusk, Peronia peronii, Onchidium peronii) at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Large gastropod fossil (sea snail, marine mollusk) Ampullina sp. (Ampullospira) of Dammam Formation in a site on flanks of Rawdat Al Heshaimiya(?) depression south from Trainah. Southern Qatar, November 6, 2015
 Murex snail (marine gastropod) Hexaplex kusterianus injecting sulphuric acid into a clam in Al Mafyar (Mafjar) area on northern coast (Al Shamal). Qatar, June 27, 2015
 Mangrove forest (Avicennia marina) at low tide at northern tip of Qatar, east from Ruwais, March 24, 2012
 Crushed shells of a sea snail Thais Savignyi from a shell midden on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 7, 2015
 Crushed shells of a sea snail Thais Savignyi from a shell midden in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 19, 2010
 Northern tip of Purple Island (Jazirat Bin Ghanim) at low tide. Al Khor, Qatar, April 2, 2016
 Sand ripples and rocky northern tip of Purple Island (Jazirat Bin Ghanim) at low tide. Al Khor, Qatar, April 2, 2016
 Northern tip of Purple Island (Jazirat Bin Ghanim) and ancient fish traps at low tide. Al Khor, Qatar, April 2, 2016
 Intertidal stone fish traps at northern tip of Purple Island (Jazirat Bin Ghanim) at low tide. Al Khor, Qatar, April 2, 2016
 Various shells in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Calcareous sea shells in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Accumulation of sea shells in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Assemblage of sea shells in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Corals and sea shells in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Assemblage of various sea shells in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Accumulation of shells of sea snails in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Chalky shells of sea snails in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Assemblage of various chalky sea shells in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Shells of sea snails in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 4, 2011
 Assemblage of shells of sea snails in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Mound of shells of sea snails in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 4, 2011
 Old vehicles at low tide on a beach in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 1, 2010
 Small shrimp hiding among shells in shallow water in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Crushed shells of sea snails Thais Savignyi from a midden of Kassite dye site in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 1, 2010
 Boat at low tide on a small peninsula. Ruwais, Northern Qatar, April 3, 2015
 Some sea snail found under a rock on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, November 8, 2014
 Line of beachrock stones remained from ancient ingenious intertidal stone fish trap at low tide in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, March 4, 2011
 Shells of sea snails on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Aerial roots (pneumatophores) of mangrove (Avicennia marina) at low tide at northern tip of Qatar, March 24, 2012
 Shells of sea snails on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, October 9, 2014
 Mud creepers at low tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Sea sponge at low tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mud creepers at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Shells in dusty soil of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Seablite (Suaeda vermiculata) among shells near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, September 26, 2014
 Rusty car details at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 Mangrove marsh at low tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 2, 2016
 Mangrove trees at low tide in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 19, 2010
 Rusty spring from a car at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 Mangrove forest at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Masses of shells of small sea snails on a shore of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 Fossilized oyster shells on a beach in western area of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Shells and limestone peaces on north side of Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Accumulation of fossilized shells on a beach in western area of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Rusty vehicle spring at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 Rusty iron parts of a vehicle at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Beachrock and mangrove trees on Purple Island (Jazirat Bin Ghanim) at low tide. Al Khor, Qatar, April 2, 2016
 Small plant of Seablite (Suaeda vermiculata) among shells near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, September 26, 2014
 Grey mangroves (Avicennia marina) surrounded by aerial roots (pneumatophores) at low tide near a fishing village of Al Jumail (Jumayl) west of Ruwais. Northern Qatar, June 26, 2015
 Mangrove tree (Avicennia marina) surrounded by aerial roots (pneumatophores) at low tide near a fishing village of Al Jumail (Jumayl) west of Ruwais. Northern Qatar, June 26, 2015
 Line of aerial roots (pneumatophores) of a mangrove tree (Avicennia marina) at low tide near a fishing village of Al Jumail (Jumayl) west of Ruwais. Northern Qatar, June 26, 2015
 Remnants of ancient ingenious intertidal stone fish traps (rows of beachrock stone arranged in walls in semi-circular patterns) at low tide in Al Aaliya Island (Jazirat al Aliyah). Qatar, March 27, 2013
 Rusty iron parts of a decomposing vehicle at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 29, 2015
 Mud flat near mangrove forest exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mud flat exposed at low tide near mangrove forest near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Millions crushed shells of Thais Savignyi from a shell midden in Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, February 19, 2010
 Fossilized oyster shells and dead corals on a beach in western area of Haloul Island (Jazirat Halul). Qatar, April 19, 2013
 Muddy soil of mangrove forest exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mangrove (Avicennia marina) with aerial roots (pneumatophores) at low tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, May 28, 2016
 Mangrove trees (Avicennia marina) at low tide south from Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Grey mangrove (Avicennia marina, qurm, shourah) surrounded by aerial roots (pneumatophores) at low tide near a fishing village of Al Jumail (Jumayl) west of Ruwais. Northern Qatar, June 26, 2015
 Mangrove trees (Avicennia marina) in salt marsh at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Mangrove forest (Avicennia marina) in salt marsh at low tide Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, December 20, 2015
 Aerial roots (pneumatophores) of mangroves (Avicennia marina) exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Mud flat with aerial roots (pneumatophores) of mangroves (Avicennia marina) exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Masses of germinating fruits of mangrove (Avicennia marina) washed out at high tide on Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, August 29, 2015
 Close up of aerial roots (pneumatophores) of mangroves (Avicennia marina) exposed at low tide near Purple Island (Jazirat Bin Ghanim). Al Khor, Qatar, April 4, 2015
 Plant of Bienertia sinuspersici on a beach near Umm Tays Island in Madinat Al Shamal area. Northern Qatar, June 26, 2015
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