Luciogobius fluvialis Kanagawa, Itai & Senou, 2011
No Picture Available

Family:  Gobiidae (Gobies), subfamily: Gobionellinae
Max. size:  3.29 cm SL (male/unsexed); 3.64 cm SL (female)
Environment:  demersal; freshwater
Distribution:  Asia: Warashina River, a tributary of the Abe River System in Japan.
Diagnosis:  Dorsal soft rays (total): 8-10; Anal spines: 1-1; Anal soft rays: 8-10; Vertebrae: 31-33. Diagnosed from all other species of Luciogobius by having the following combination of characters: eye small and degenerated, embedded beneath skin, obscured after fixation; body naked, without scales; dermal ridge on cheek lacking barbels; second dorsal-fin origin slightly anterior to anal fin; pelvic fin present; no free soft rays on upper and lower ends of pectoral fin; second dorsal-fin rays modally I,9; anal-fin rays modally I,9; branched caudal-fin rays modally 8+7; vertebrae modally 16+16=32; interorbit region flat; maximum width of head at cheek 11.5% in SL; upper jaw length 8.5% in SL; 37.4% in head length; predorsal length 307.4% in head length; and preanal length 315.8% in head length (Ref. 86963).
Biology:  Found in the middle reaches of river on a gravel substrate composed of pebbles of 3-5 cm in diameter and containing less than 5% of sand, where freshwater springs flow from between the pebbles (Ref. 86963).
IUCN Red List Status: Data deficient (DD); Date assessed: 23 July 2018 Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Torres, Armi G. - 06.06.11

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 Not for publication.


Page created by Jen, 05.08.02, php script by kbanasihan 06/09/2010 ,  last modified by sortiz, 10/02/17