Tag: crabs

Cage fattening of mud crab in Tanzania

Photos’ credit: Lucka Paschal and Erick Kiiza (Tanzania) Review: Abdel Rahman El Gamal (Founder of the website)       Mud crab (Scylla serrata) is a species with good aquaculture potential due to its productive performance as well as its market demand and price. The live mud crabs in particular are always in greater demand …

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Permanent link to this article: https://fishconsult.org/?p=13283

Culture of mud crab in Asia

Photo credit: Kevin Fitzsimmons (USA) Review: Abdel Rahman El Gamal (Founder of the website)       Increased market demand as well as the price of mud crabs, coupled with dwindling wild stocks, resulted in great interest in mud crab aquaculture in many countries especially in Asia where crabs are at highest demand. Among the …

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Permanent link to this article: https://fishconsult.org/?p=13200

Freshwater crab entangled in a gillnet in Kyafukuma River (Zambia)

Photos’ credit: Alick Grunnie Mbewe (Zambia) Review: Alick Grunnie Mbewe and Abdel Rahman El Gamal (Founder of the website)           The inserted photos show a freshwater crab, (Potamonautes sp) captured by a gill net in Kyafukuma River, Solwezi District. These crabs can forage over considerable distance by night and they may …

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Permanent link to this article: https://fishconsult.org/?p=12647

Catching mud crab (Scylla serrata) in Mannar District, SriLanka

Credit: Ajith Kumara (SriLanka) This photograph was taken in Mannar area, North province in 2009 (Mannar District is one of the 25 districts of SriLanka). The water body is a part of lagoon (tidal flat) during low tide. People shown in the photo dig holes to catch Scylla serrata  (mud crab or mangrove crab). According …

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Permanent link to this article: https://fishconsult.org/?p=11172

Japanese giant spider crab, Macrocheira kaempferi (introduction – habitats – biology – utilization)

Introduction This photo of the Japanese giant spider crab (Macrocheira kaempferi) was filmed by Samart Detsathit (Thailand)  (shown in the photo) at Kamogawa Sea World, Japan. The name of this marine crab goes to its existence in the water around Japan. The crab is known in Japan as “Taka-ashi-gani” which means “tall legs crab”. The Japanese Spider …

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Permanent link to this article: https://fishconsult.org/?p=10738

Collection of sand crabs in Thailand (facts – collection – consumption)

Credit for the photo and the essential information: Samart Detsathit (Thailand) Review:  Abdel Rahman El Gamal (the site founder) The sand crab or mole crab which are known as “Hippoids” belong to the super family “Hippoidea”. These small crabs of 1-5 cm in size are adopted to burrow into sandy beaches near the water throughout …

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Permanent link to this article: https://fishconsult.org/?p=10733

Giant hermit crab, Petrochirus diogenes (Distribution – Feeding – reproduction – associates)

Photo credit: Glenda Vélez Calabria (Colombia)     Technical review: Abdel Rahman El Gamal This photo was taken in mundo marino and te mostramos lo que pasa en el fondo, Colombia General: This species is a large marine hermit crab which was originally described as Cancer diogenes. These crabs which are red in color may show sexual dimorphism in regard …

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Permanent link to this article: https://fishconsult.org/?p=10476

Culture and marketing of mud-crab in SriLanka

Credit: Ajith Kumara (SriLanka) The photo shows two gravid females of mud crab (giant mud crab), Scylla serrata. The egg color indicates its ripening stage. The fattening of mud crab in SriLanka is the usual farming system practiced in earthen ponds. The culture begins with collecting soft shell crabs which are kept in ponds and fed …

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Permanent link to this article: https://fishconsult.org/?p=9525

Red Sea fishes (Hermit crabs)

Photo credit: To a gentleman who I met once and it is shame to miss his name (thanks friend for the collection you shared with me years ago and forgive my weak memory) Review: Abdel Rahman El Gamal General information: There are more than 600 species of hermit crabs in the world; out of which few species are …

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Permanent link to this article: https://fishconsult.org/?p=8424

Culture of blue swimming crab, Portunus pelagicus in Thailand

Credit: Proyrat Chaowajaroenpong and Ong-art Kumprasert (Thailand) The culture of blue swimming crab, Portunus pelagicus is carried out in earthen ponds. Appropriate water salinity for the blue swimming crab culture ranges from 20-30 g/l. Crabs are fed trash fish which is usually offered twice/day throughout the growing season that extends to about 6 months.  In the …

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Permanent link to this article: https://fishconsult.org/?p=7225

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