Teleostei (teleosts) >
Trachichthyiformes (Roughies) >
Trachichthyidae (Slimeheads)
Etymology: Paratrachichthys: Greek, para in the side of + Greek, trachys = rough + Greek, ichthys = fish (Ref. 45335).
Eponymy: Sir William John Macleay (1820–1891) was a Scottish medical student who followed his uncle Alexander to Sidney (1838), where he became an all-round naturalist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; pelagic-neritic. Temperate
East Indian to Southwestern Pacific: endemic to Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hoese, D.F., D.J. Bray, J.R. Paxton and G.R. Allen, 2006. Fishes. In Beasley, O.L. and A. Wells (eds.) Zoological Catalogue of Australia. Volume 35 Australia: ABRS & CSIRO Publishing, 2178 p. (Ref. 75154)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
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Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01072 (0.00427 - 0.02691), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
3.7 ±0.6 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.). |
Fishing Vulnerability (Ref. 59153) |
High vulnerability (63 of 100). 🛈 |