Green Rat Clingfish, Barryichthys algicola Conway, Moor & Summers 2019

A Green Rat Clingfish, Barryichthys algicola, WAM P.27559-007, from St. Helens, Tasmania. Source: Barry Hutchins, Fig. 3D&E, in Conway, Moore & Summers (2019) ZooKeys No. 864: 35-65. License: CC by Attribution

A slender uniform green clingfish with a paler green stripe on the side of the head from the tip of snout through the eye to the upper part of the gill opening, an orange iris, and green fins.

Cite this page as:
Bray, D.J. 2019, Barryichthys algicola in Fishes of Australia, accessed 29 May 2020,

Green Rat Clingfish, Barryichthys algicola Conway, Moor & Summers 2019

More Info


Endemic to southeastern Australia from Botany Bay, New South Wales, to the northern and northeastern coast of Tasmania, and Port Phillip, Victoria. Inhabits subtidal macroalgal beds at depths to 2 metres.


Dorsal fin 5-6; Anal fin 6; Caudal fin (principal rays) 4+4; Procurrent rays 1-2 dorsal, ventral 1-2; Pectoral fin 17; Pelvic fin I, 4; Vertebrae  21 + 21-23 = 42-44.


The specific name is a combination of the Latin alga and colare (= who inhabits the algae), in reference to the habitat preference of the this species.

Species Citation

Barryichthys algicola Conway, Moore & Summers 2019, ZooKeys No. 864: 53, Figs. 2B, 3D-E, 4B, 5B, 9B. Type locality: Jubilee Point, Sorrento, Victoria, Australia, 38°20'00"S, 144°45'00"E. 


Bray, D.J. 2019


Catalog of Fishes

Green Rat Clingfish, Barryichthys algicola Conway, Moor & Summers 2019


Conway, K.W., Moore, G.I. & Summers, A.P. 2019. A new genus and two new species of miniature clingfishes from temperate southern Australia (Teleostei, Gobiesocidae). ZooKeys 864: 35–65. zookeys.864.34521 Open access

Hutchins, J.B. 1994. Family Gobiesocidae. pp. 305-324, figs 269-289 in Gomon, M.F., Glover, C.J.M. & Kuiter, R.H. (eds). The Fishes of Australia's South Coast. Adelaide : State Printer 992 pp. 810 figs. (as Genus B sp.)

Quick Facts

Depth:0-2 m

Habitat:Reef associated, macroalgae

Max Size:2.1 cm SL


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