Acarobythites larsonae Machida, 2000
Larson's cusk

Family:  Bythitidae (Livebearing brotulas)
Max. size:  2.52 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 3 m
Distribution:  Western Central Pacific: known only from Northern Territory, Australia.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 73-79; Anal spines: 0-0; Anal soft rays: 53-57; Vertebrae: 42-43. Head without scales; anal fin origin at about mid-body; eye diameter 17.8-18.0 times in HL, snout compressed; posterior end of maxillary rounded, not sheathed by dermal cheek fold, without ventrally-directed process near postero-ventral corner; opercular spine flat and weak; no pore-bearing skin flap on upper angle of opercle; lower angle of preopercle smooth; pectoral peduncle normal, broader than long; no spine on cleithrum; all teeth sharp-pointed, some needle-like; developed gill rakers on anterior arch 3.
Biology:  Collected from pools on rocky reefs.
IUCN Red List Status: Data deficient (DD); Date assessed: 15 August 2019 Ref. (130435)
Threat to humans:  harmless


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