Hypseleotris acropinna Thacker, Geiger & Unmack, 2022
Cryptic carp gudgeon

Family:  Eleotridae (Bully sleepers)
Max. size:  3.89 cm SL (male/unsexed); 3.98 cm SL (female)
Environment:  demersal; freshwater
Distribution:  Oceana: Australia.
Diagnosis:  Dorsal spines (total): 7-8; Dorsal soft rays (total): 10-11; Anal spines: 1-1; Anal soft rays: 11-12; Vertebrae: 29-30. This species can be distinguished among southeastern Hypseleotris (except H. galii and H. moolooboolaensis) by adult males having elongated rays in posterior portions of the 2nd dorsal, and anal fins with fin tips extending along length of caudal peduncle. Differs from H. galii by lacking the dark spot ventrally surrounding the genital papillae in females. Also differs from H. moolooboolaensis in the Mary River by the following set of characters: D VI-VII (vs. VII-VIII), dorsal rays 10-11 (vs. 11-12), and lateral scales 31-33 (vs. 33-34).
Biology:  Maximum size based on type specimen (Ref. 128732).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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 Not for publication.