Mossback Velvetfish, Paraploactis trachyderma Bleeker 1865

Other Names: Mossback

A Mossback Velvetfish, Paraploactis trachyderma, on the Gold Coast Seaway, southern Queensland, October 2015. Source: debaston / License: CC by Attribution-NonCommercial

Cite this page as:
Bray, D.J. 2019, Paraploactis trachyderma in Fishes of Australia, accessed 16 Apr 2024,

Mossback Velvetfish, Paraploactis trachyderma Bleeker 1865

More Info


Darwin Harbour, Northern Territory, and Cape York to the Gold Coast, Queensland, with juveniles to at least Sydney Harbour, New South Wales, and Cape Jervis, South Australia. Elsewhere the species occurs in the south-west Pacific (New Caledonia).


Ventral surface of lower jaw smooth, not covered with prickles or papillose villi and with cirri almost entirely confined to outer margin. Minute cirri on snout, those in larger patch on tip of snout and across lachrymal bones about equal in size to those in smaller patch on nasal bones. Fleshy pad on isthmus with its width about 1/4 to 1/3 of length.

Species Citation

Paraploactis trachyderma Bleeker 1864, Nederlandsch Tijdschrift voor de Dierkunde 2: 169. Type locality: Australia.


Bray, D.J. 2019


Australian Faunal Directory

Mossback Velvetfish, Paraploactis trachyderma Bleeker 1865


Bleeker, P. 1864. Notice sur le genre Paraploactis et description de son espèce type. Nederlandsch Tijdschrift voor de Dierkunde 2: 168-170 

Borodin, N.A. 1932. Scientific results of the yacht Alva world cruise, July 1931 to March 1932 in command of William K. Vanderbilt. Bulletin of the Vanderbilt Marine Museum 1(3): 65-101 pls 1-2 (as Erosa australiensis)

De Vis, C.W. 1884. New fishes in the Queensland Museum. No. 2. Proceedings of the Linnean Society of New South Wales 1 9(3): 453-462 (as Aploactis lichen)

Fricke, R., Kulbicki, M. & Wantiez, L. 2011. Checklist of the fishes of New Caledonia, and their distribution in the Southwest Pacific Ocean (Pisces). Stuttgarter Beiträge zur Naturkunde. Serie A (Biologie) Neue Serie 4: 341-463 

Johnson, J.W. 1999. Annotated checklist of the fishes of Moreton Bay, Queensland, Australia. Memoirs of the Queensland Museum 43(2): 709-762 

Johnson, J.W. 2004. Two new species and two new records of aploactinid fishes (Pisces: Scorpaeniformes) from Australia. Records of the Australian Museum 56(2): 179-188 

Kuiter, R.H. 1992. Tropical Reef-Fishes of the Western Pacific, Indonesia and Adjacent Waters. Jakarta : PT Gramedia Pustaka Utama 314 pp. pls. 

Kuiter, R.H. 1993. Coastal Fishes of South-eastern Australia. Bathurst : Crawford House Press 437 pp. 

Larson, H.K. & Williams, R.S. 1997. Darwin Harbour fishes: a survey and annotated checklist. pp. 339-380 in Hanley, H.R., Caswell, G., Megirian, D. & Larson, H.K. (eds). The Marine Flora and Fauna of Darwin Harbour, Northern Territory, Australia. Proceedings of the Sixth International Marine Biology Workshop. Darwin : Museum and Art Gallery of the Northern Territory 466 pp. 

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 

Poss, S.G. 1999. Families Scorpaenidae, Caracanthidae, Aploactinidae. pp. 2291-2358 in Carpenter, K.E. & Niem, T.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 4 pp. 2069-2790. 

Poss, S.G. & Eschmeyer, W.N. 1978. Two new Australian velvetfishes, genus Paraploactis (Scorpaeniformes : Aploactinidae) with a revision of the genus and comments on the genera and species of the Aploactinidae. Proceedings of the California Academy of Sciences 41(18): 401-426 figs 1-14 See ref at BHL

Whitley, G.P. 1933. Studies in Ichthyology No. 7. Record of the Australian Museum 19(1): 60–112 figs 1–4 pls 11–15

Quick Facts

CAAB Code:37290011

Species Image Gallery

Species Maps

CAAB distribution map