Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Gobiiformes (Gobies) >
Eleotridae (Bully sleepers)
Etymology: Hypseleotris: Greek, hypselos = high + The name of a Nile fish, eleotris (Ref. 45335); bucephala: Name from the Greek roots 'bu' meaning large, and 'kephale', Latinized to 'cephalus' meaning head; in reference to the blunt profile and enlarged forehead in males (Ref. 128732).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Subtropical
Oceana: Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.3 cm SL male/unsexed; (Ref. 128732); 3.2 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 10 - 12; Anal spines: 1; Anal soft rays: 10 - 12; Vertebrae: 29 - 30. This species can be distinguished from the southeastern Hypseleotris by the following set of characters: blunt head, snout rounded in profile, with dorsal scales; absence of pointed median fin tips of H. acropinna, H. galii, H. mooloboolaensis; distinct median fin coloration in breeding males, with red, black and orange stripes on the distal half of the fin, often with a thin white edge (Ref. 128732).
Cross section: oval.
Maxium size based on type specimen (Ref. 128732).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Thacker, C.E., D.L. Geiger and P.J. Unmack, 2022. Species delineation and systematics of a hemiclonal hybrid complex in Australian freshwaters (Gobiiformes: Gobioidei: Eleotridae:Hypseleotris). R. Soc. Open Sci. 9:220201. (Ref. 128732)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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