Periophthalmus gracilis Eggert, 1935
Graceful mudskipper
Belacak kucing,  Mudskipper,  Belacak,  Belodok,  Belontok,  Gabus laut,  Ikan cod India,  Ikan tembakul,  Kod India,  Lisah,  Temakul,  Tembakul
Periophthalmus gracilis
photo by Polgar, G.

Family:  Oxudercidae (Mudskippers), subfamily: Periophthalminae
Max. size:  4.5 cm SL (male/unsexed)
Environment:  demersal; brackish; marine
Distribution:  Indo-Pacific: Indonesia, Malaysia, Singapore, Australia, and the Philippines.
Diagnosis:  Distinguished by the following characteristics: no pelvic frenum, or if present, only visible with magnification; pelvic fins totally separate; D 1 short and rounded, brown inframarginal stripe terminating into a prominent black spot, no elongate spines; D2 with single dusky stripe mesially; dorsal fins not connected by membrane; Dl with 9'-11 spines; longitudinal scale count 52-70; head width 14.2-19.3% SL; pelvic fin length 11.7-15.1 % SL; length of anal fin base 17.8-21.1% SL; length ofD2 base 18.8-21.3% SL; total D2 elements 12-13; total anal fin elements 11-12; TRDB 14-20 (Ref. 5218).
Biology:  An intertidal and amphibious air-breather that actively shuttling back and forth between rock pools and air (Ref. 31184).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless
Country info:   
 


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.