Callianassa (Callichirus) maxima   A. MilneEdw.  (Shrimp)
Organism information awaits expert curation
Class: Malacostraca

Rostrum short, sharply pointed, no lateral teeth, reaching barely one-third the length of eyes; no tooth on th frontal margin of carapace between the eyes and antennal peduncles. Eyes slightly surpassing the joint of the first and second antennular segments; antennular peduncle reaching the middle of the terminal segment of antennal peduncle.
In the third maxilliped ischium, merus and propodus are extremely broad. First legs very unequal. In the large right cheliped, ischium slender but broader at its distal end, merus slightly longer than ischium; carpus one-third broader than long, palm as broad as carpus but one quarter longer than carpus, fingers close meeting at the tip with a large gape, the inner edge of the fixed finger wihtout teeth but the inner edge of dactylus with a large bluntly trilobed tooth at the proximal end, large blunt tooth in the middle and a series of four smaller blunt teeth towards the tip. In the small left cheliped, merus longer than ischium, carpus longer than merus, chela shorter than carpus, fingers as long as the palm. Second and fifth pair of pereopods chelate; the propodus in the third pair with a conspicuous lobe on its interior margin.
Second abdominal segment longest, equal to the fourth and fifth combined and little longer than the sixth. The sixth somite subcircular and excavate on either side in the posterior third. First two abdominal appendages slender but the remaining three are broadly foliaceous.
Telson sub-quadrilateral, broader than long, posterior margin slightly convex, lateral margins gently rounded. Uropods much longer than telson, the inner one triangular and the outer one ovoid in shape.

Synonym (s)
Callianassa maxima A. Milne Edwards 1870
Callianassa (Callichirus) maxima Kemp 1915

Common Name (s)
Economic Importance and Threats



• Orissa, Malud INDIA (Record: 13/12/1985)
• Orissa, Bada Danda INDIA (Record: 13/12/1985)
• Orissa, Siar INDIA (Record: 13/12/1985)

Literature Source(s)
  • Reddy, KN (1995) Crustacea: Decapoda Wetland ecosystem series 1: Fauna of Chilika lake ZSI, Calcutta 367-389 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2009-05-14

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