Charybdis japonica (Milne-Edwards, 1861)

Japanese swimming crab

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Charybdis japonica

Classification / Names প্রচলিত নাম সমূহ | প্রতিনাম সমূহ | CoL | ITIS | WoRMS

Malacostraca | Decapoda | Portunidae

Environment: milieu / climate zone / গভীরতার পরিসীমা / distribution range বাস্তুসংস্থান

সমুদতলে ভাসমান বেনথোপেলাজিক; গভীরতার পরিসীমা 0 - 50 m (সূত্র 125642). Tropical

Distribution দেশ সমূহ | এফ এ ও এলাকাসমূহ | বাস্তুতন্ত্র | দৃষ্টিগোচর | প্রচলন

Western Pacific: from Japan to Malaysia. Subtropical and tropical climates.

Length at first maturity / আকৃতি / Weight / Age

পরিপক্কতা : L_m ? range ? - ? cm Max length : 7.0 cm CW পুরুষ/ লিঙ্গ অনিধর্ারিত ; (সূত্র 343)

Short description বহিঃ অঙ্গ সংস্থান

Carapace without transverse ridges behind last anterolateral tooth; frontal teeth acutely triangular; anterolateral all acutely triangular. Posterior border of propodus of legs serrated. Palm with 5sharp spines, longitudinal ridges on palm granulated. Color: carapace white with large greyish patches, tips at anterolateral teeth reddish brown; fingers red and white.

Subtropical and tropical climates (Ref. 343). Found intertidal to subtidal, on substrates ranging from seagrass, mud, sand, to rocks. Occur to depths of 50 meters (Ref. 125642). Also found in tidepools on rocky shores (Ref. 118296). Common in estuaries, in firm or muddy fine sands (Ref. 118295). Generalist scavenger and predator (Ref. 118296). Benthopelagic predator, feeding mainly on benthic bivalves (Lamellibranchia), benthic crustaceans, fishes, and cephalopods (Ref. 117071). Host to the sacculinid barnacle Heterosaccus papillosus (Ref. 118296).

Life cycle and mating behavior পরিপক্কতা | প্রজনন | ডিম ছাড়া | Eggs | ডিম্বধারন ক্ষমতা | Larvae

Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer.