Aristeidae Wood-Mason, 1891
Subfamily : Aristaeinae Alcock, 1901
Aristeus Duvernoy, 1840
Aristeus alcocki Ramadan, 1938
Name: Aristeid shrimps, mulaku chemmeen
Gulf of Aden, Bay of Bengal, Arabian Sea near Lakshadweep and Kanyakumari.
sites: Sakthikulangara, Kalamukku, Azheekkal
15 males and 30 females.
Glabrous or pubescent Integument;
photophores on pereopods, bearing 2 dorsal teeth near base followed
by single postrostral tooth
elongate and short rostrum in adult males, females and juvenile males, reaching well
beyond antennular peduncle; not reaching end of antennular peduncle;. Carapace
on anterior margin with antennal and branchiostegal spines; no orbital,
postantennal, and hepatic spines; antennal and branchiostegal spines
supported by more or less well marked short carina; hepatic sulcus often faint
or indistinct; cervical sulcus indistinct or only ventrolaterally demarked; well
marked branchiocardiac sulcus; low branchiocardiac carina. Dorsally rounded first
abdominal somite; dorsally carinate fourth to sixth somites, carina of fourth
somite extending only along posterior two-thirds, second and third
somites seen as dorsally rounded or with
very faint rounded carina; 4 pairs of movable lateral spines ton elson; acute, slender apex, well
developed cornea; optic calathus having a large mesiodistal tubercle. Short dorsal
flattened for most of its length; lateral marginal ridge with spine
at about distal four-fifths of length, elongate ventral antennular flagellum,
slender, terete, with
proximal sinuosity in male, distally broadly rounded scaphocerite lamella,
pereopods with no exopods, No
podobranchia on third to fifth pereopod; slender fourth and fifth
pereopods; first and second
pereopods, sometimes third, with movable meral spine.
Long and slender rostrum with a tooth in
females (rostrum short in males), long cervical groove extending to dorsal
midline of carapace or short, carapace without postrorbital spine. Last two
pairs of pereopods well developed; third and fourth pairs of pleopods biramous.
Telson with 1-4 movable spines, 2 arthrobranchs well developed on penultimate
thoracic segment (hidden beneath the carapace), cervical groove distinct only
in its basal part.
Obtained from exploratory trawling off south west coast of India, economically
Original description: Ramadan,
M.M., 1938. Crustacea: Penaeidae. Scientific Reports of the John Murray Expedition,