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FAO Species Identification Guide for Fishery Purposes Western

FAO Species Identification Guide for Fishery Purposes Western

FAO Species Identification Guide for Fishery Purposes Western

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Penaeidae 911<br />

Metapenaeus intermedius (Kishinouye, 1900)<br />

Frequent synonyms / misidentifications: None / None.<br />

<strong>FAO</strong> names: En - Middle shrimp; Fr - Crevette ceinture; Sp - Camarón cintura.<br />

thelycum<br />

distomedian projection<br />

distolateral<br />

projection<br />

Diagnostic characters: Body<br />

covered with fine pubescence.<br />

Rostrum distinctly directed<br />

upward and very straight,<br />

merus of fifth leg (male)<br />

bearing 8 to 12 teeth along<br />

entire upper margin and ex-<br />

petasma (ventral view)<br />

tending to about distal segment<br />

of antennular peduncle. Postrostral<br />

crest low. Branchiocardiac crest distinct. First leg bearing a distinct ischial spine. In adult males,<br />

merus of fifth leg with a basal notch followed by a distinct keel. Petasma of males with distomedian<br />

processes triangular and exceeding distolateral projections; outer margin of distomedian processes<br />

bearing an external spinule. Thelycum of females bearing a posteromedian ogival boss;<br />

posterior edges of lateral plates slightly raised; coxal projections of fourth leg long, flat and<br />

truncate. Telson with 3 pairs of large lateral spines. Colour: body somewhat whitish, becoming<br />

slightly pinkish in large adults, covered with dense dark brown dots; eyes dark brown; rostrum, outer<br />

margin of antennal scale, and dorsal abdominal crest black-brown; antennal flagella reddish brown; legs<br />

whitish; pleopods slightly reddish with white markings on outer sides; distal part of uropods bluish, with<br />

margins reddish brown to somewhat purplish.<br />

Size: Maximum body length 19.3 cm (females) and 13.6 cm (males), commonly between 10 and 14 cm.<br />

Habitat, biology, and fisheries: Found mainly in depths to 130 m, usually between 20 and 60 m. Taken<br />

mainly by trawls. Very common<br />

in the Strait of Malacca<br />

and Gulf of Thailand, probably<br />

also abundant in Viet Nam. Of<br />

moderate commercial importance<br />

because of its relatively<br />

large size. Marketed mostly<br />

fresh <strong>for</strong> local consumption.<br />

Distribution: Indo-West<br />

Pacific from the Andaman<br />

Sea to Malaysia, southern<br />

coast of China, and Japan.

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