Larson's Cusk, Acarobythites larsonae Machida 2000

Cite this page as:
Bray, D.J. 2019, Acarobythites larsonae in Fishes of Australia, accessed 02 Mar 2024,

Larson's Cusk, Acarobythites larsonae Machida 2000

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Endemic to the Northern Territory, from Coral Bay, Cobourg Peninsula, to Field Island. Inhabits pools on rocky reefs.


Dorsal fin 73-79; Anal fin 53-57; Gill rakers (developed) on anterior arch 3; 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.


The species is named in honour of Helen Larson, Curator of Fishes, Museum and Art Gallery of the Northern Territory (Darwin, Australia), who kindly sent bythitid and ophidiid specimens to Machida for study.

Species Citation

Acarobythites larsonae Machida 2000,Beagle, Rec. Mus. Art Gall. N.T. 16: 125, figs 1-4. Type locality: north-west side of Field Island, Northern Territory, depth 0.3 m, [12°04.20´S, 132°19.31´E]..


Bray, D.J. 2019


Atlas of Living Australia

Larson's Cusk, Acarobythites larsonae Machida 2000


Larson, H.K., Williams, R.S. & Hammer, M.P. 2013. An annotated checklist of the fishes of the Northern Territory, Australia. Zootaxa 3696(1): 1-293 

Machida, Y. 2000. A new bythitid genus and species, Acarobythites larsonae, from shallow rocky reefs off northern Australia (Pisces, Ophidiiformes, Bythitidae). The Beagle. Occasional Papers of the Northern Territory Museum of Arts and Sciences 16: 123-126 figs 1-4

Quick Facts

CAAB Code:37228054

Depth:0-4 m

Habitat:Reef associated

Max Size:2.5 cm SL


Species Maps

CAAB distribution map