FAO Species Identification Guide for Fishery Purposes Western

936 Shrimps and Prawns
Metapenaeus demani (Roux, 1921)
En - Demon shrimp; Fr - Crevette diable; Sp - Camarón diablo.
Maximum body length 12.2 cm (females) and 10.4 cm (males). Over muddy bottoms in estuarine
and coastal waters, to a depth of 50 m, usually less than 30 m. Caught mainly by trawl nets and
artisanal gear. Of some commercial importance in the Gulf of Papua prawn fishery where it
constitutes about 50% of the shrimp catches. Probably mainly consumed locally. Restricted to the
waters between New Guinea and Australia (sometimes divided into 2, eastern and western,
subspecies).
merus of fifth leg (male)
Metapenaeus dobsoni (Miers, 1878)
En - Kadal shrimp; Fr - Crevette kadal; Sp - Camarón kadal.
Maximum body length 13 cm (females) and 11.8 cm (males). Occurs mainly in low salinity lagoons
and adjacent marine areas on muds to a depth of 37 m. Juveniles inhabit estuarine and backwaters.
Caught mainly by trawls, seines, stake nets, and artisanal gear. Generally not very common in the
area although reported to be quite abundant in New Guinea and appears in culture ponds in
Thailand. Indo-West Pacific from India to the Philippines and New Guinea.
(after Motoh and Buri, 1984)
merus of fifth leg (male)
anterior
plate
lateral plates
thelycum
anterior plate
lateral plates
thelycum
distomedian projection
distolateral
projection
distomedian projection
distolateral
projection
petasma (ventral view)
petasma (ventral view) basial spine of
third leg (male)