Atergatis reticulatus

Scientific Name:-

Atergatis reticulatus

Common Name:-

Pebble Crab

Malayalam Name:-

Undakkallu Njandu

Category:-

Crabs

Status:-

Not evaluated

Description:-

Carapace broader than long; smooth. Antero-lateral border being cut into four teeth; of which last two prominent. Presence of four tubercles in epigastric region behind the frontal region. The frontal margin is nearly straight with a feeble median fissure. Front with four spines having rounded tips; middle two bigger; remaining two small on either side in the inner angle of orbit. Carapace at the epibranchial angle has a tooth or a crest emphasized on the inside by a furrow. The carapace, chelipeds and pereiopods have their surfaces marked with rugosities forming an irregular reticulation. Chelipeds massive; unequal size; with crest on the superior margin of palm clearly defined and protruding. Dark pinkish in colour and the fingers blackish with white tips.

Threats:-

Not recorded

Remark:-

Bijukumar et al. (2007) and Sushilkumar (2013) recorded it from Kerala coast.

Habitat:-

Sandy bottom and rocky intertidal areas

Synonyms:-

Cancer (Atergatis) reticulatus De Haan, 1835; Atergatis frontalis (not de Haan, 1835); Atergatis reticulatus Milne Edwards, 1865

References:-

Biju Kumar, A., M. Sushil Kumar., S.M. Raffi and S. Ajmal Khan (2007). Diversity of brachyuran crabs associated with trawl by-catch in Kerala coast, India. Ind.J. Fis. 54 (3): 283-290.
Sushilkumar, M. (2013). Diversity and proximate composition of brachyuran crabs in the trawl by-catch of Kerala coast. PhD Thesis submitted to University of Kerala, India.

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