Red-Fingered Coral Crab
Tetralia rubridactyla
Carapace rounded. Frontal margin arched, evenly denticulate. Front continuous with crenate superior orbital angle. Postorbital angle unobtrusive. Lower margin of antennular fossa sinuous. Anterior margin of buccal frame slightly concave. Distal half of endopod of first maxilliped rectangular, anterior margin bearing few setae. Anterior margin of cheliped merus distinctly crested, dentate.
First male pleopod curved, distally fringed with setae.
Colour (in alcohol): Carapace tawny, front and antero-lateral margins dark brown. Ventrally, a dark brown band extends to the posterior part of the lateral margin. Thoracic sternum and abdomen yellowish-white. Meri and carpi of chelipeds suffused with dark brown distally; dorsal portion of palm maroon; dorsal surface of dactyl orange red. Pereiopods yellowish but for maroon spots on distal portions of carpi, propodi and dactyli.
Indo-Pacific distribution.
First male pleopod curved, distally fringed with setae.
Colour (in alcohol): Carapace tawny, front and antero-lateral margins dark brown. Ventrally, a dark brown band extends to the posterior part of the lateral margin. Thoracic sternum and abdomen yellowish-white. Meri and carpi of chelipeds suffused with dark brown distally; dorsal portion of palm maroon; dorsal surface of dactyl orange red. Pereiopods yellowish but for maroon spots on distal portions of carpi, propodi and dactyli.
Indo-Pacific distribution.
