Hypseleotris barrawayi Larson, 2007
photo by Larson, H.K.

Family:  Eleotridae (Bully sleepers)
Max. size:  5.8 cm SL (male/unsexed)
Environment:  demersal; freshwater; pH range: 7.29; dH range: 11.48
Distribution:  Oceania: known only from upper reaches of Katherine River system in Northern Territory, Australia.
Diagnosis:  Dorsal spines (total): 6-8; Dorsal soft rays (total): 9-11; Anal spines: 1-1; Anal soft rays: 9-11; Vertebrae: 26-27. Distinguished from all other species of the genus Hypseleotris by a combination of the following characters: side of the body with distinct dark vertical bars; first and second dorsal fins banded with light and dark pigment; caudal fin plain or with several dusky bars or rows of spots; dark bar on pectoral base darkest dorsally and diffuse on ventral part of fin base; 26 vertebrae; preopercle with scales; postdorsal scale count usually 9, lateral scale count 30-34, usually 32, and predorsal scales scattered along midline of nape and/or above opercle and preopercle, not reaching eyes and often absent altogether (Ref. 76845).
Biology:  Prefers clear quiet water with sheltered places such as near steep banks with overhanging vegetation, among bankside roots, submerged logs. Reported to form large loose schools or occur in low abundance and solitary Ref. 76845).
IUCN Red List Status: Near Threatened (NT); Date assessed: 13 February 2019 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 Not for publication.