FAO Species Identification Guide for Fishery Purposes Western

1086 Crabs
Key to species of interest to fisheries occurring in the area
1a. Dactylus of fourth leg without spine on outer margin (Fig. 1a) . . . . . . . . . . . . Dromia dormia
1b. Dactylus of fourth leg with distinct spine on outer margin (Fig. 1b) . . . . . . . . . . . . . . . . → 2
2a. Carapace wider than long, surfaces with soft pubescence; 6 teeth on each anterolateral
margin; 4 to 8 spines on inner margins of dactyli of first 2 pairs of legs (Fig. 2a) . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lauridromia indica
2b. Carapace as wide as long, surfaces with coarse pubescence; 4 teeth on each anterolateral
margin; 16 to 20 spines on inner margins of dactyli of first 2 pairs of legs (Fig. 2b)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lauridromia dehaani
dactylus
unarmed
dactylus with
distinct spine
a) Dromia dormia b) genus Lauridromia
Fig. 1 fourth leg
List of species of interest to fisheries occurring in the area
The symbol is given when species accounts are included.
Dromia dormia (Linnaeus, 1763)
Lauridromia dehaani (Rathbun, 1923)
Lauridromia indica (Gray, 1831)
a) Lauridromia indica b) Lauridromia dehaani
Fig. 2 dactylus of first 2 legs
References
Alcock, A.A. 1901. Catalogue of the Indian decapod Crustacea in the collection of the Indian museum. Part I.
Brachyura. Fascicle I. Introduction and Dromides or Dromiacea (Brachyura Primigenia). Calcutta, Trustees
of the India Museum, 80 p.
McLay, C.L. 1993. Crustacea: Decapoda: The sponge crabs (Dromiidae) of New Caledonia and the Philippines with a
review of the genera. In Résultats des Campagnes MUSORSTOM, 10, edited by A. Crosnier. Mém. Mus. natn.
Hist. nat., 156:111-251.