Krefft's Snaggletooth, Astronesthes kreffti Gibbs & McKinney 1988
Illustration of the holotype of Krefft's Snaggletooth, Astronesthes kreffti, ISH 839/71, female 128.4 mm, from the South Atlantic Ocean. Source: J.R. Schroeder, Fig. 3 (top), in Gibbs & McKinney (1988) Smithsonian Contributions to Zoology 460: i-iii + 1-25. License: Public Domain
Cite this page as:
Bray, D.J. 2019, Astronesthes kreffti in Fishes of Australia, accessed 19 Jan 2025, https://fishesofaustralia.net.au/Home/species/4548
Krefft's Snaggletooth, Astronesthes kreffti Gibbs & McKinney 1988
More Info
Distribution |
Off South East Cape, Tasmania. Elsewhere the species is circumglobal in southern waters. |
Features |
Dorsal fin 15-17; Pectoral fin 8; Photophores: VAV 25-27; OV 19-21; VAL 25-27; total groups of gill teeth on first arch 14-17, usually 16 or fewer; branchiostegal photophores 21-23; total vertebrae 61-63, usually 62 or 63. In specimens longer than 100 mm SL: head length 18.8-21.0% SL; length of swollen barbel tip 3.9-6.8% SL. Barbel tip cylindrical (almost spheroidal in the smallest specimens), without a small convexity at distal end. Luminous patches, when developed, including one extending dorsoventrally for most of length of operculum; large specimens with scattered spots on sides. |
Etymology |
The species is named in honour of Dr. Gerhard Krefft, who enabled the senior author to participate in the cruise whereon the species was first recognized. |
Species Citation |
Astronesthes kreffti Gibbs & McKinney 1988, Smithsonian Contributions to Zoology 460: 6, fig. 3. Type locality: South Atlantic, 39°55'S, 26°02'W, depth 0-200 m. |
Author |
Bray, D.J. 2019 |
Resources |
Krefft's Snaggletooth, Astronesthes kreffti Gibbs & McKinney 1988
References
Gibbs, R.H. & McKinney, J.F. 1988. High-count species of the stomiid fish genus Astronesthes from the southern subtropical convergence region: two new species and redescription of Cryptostomias (= Astronesthes) psychrolutes. Smithsonian Contributions to Zoology 460: 1-25 https://doi.org/10.5479/si.00810282.460, open access
Parin, N.V. & Borodulina, O.D. 2003. Phylogeny, systematics, and zoogeography of the mesopelagic genus Astronesthes (Astronesthidae, Stomiiformes). Journal of Ichthyology 43(8): 557-576.
Stewart, A.L. & Kenaley, C.P. 2015. Family Stomiidae, 68 Subfamily Astronesthinae, pp. 471-486 in Roberts, C.D., Stewart, A.L. & Struthers, C.D. The Fishes of New Zealand. Wellington : Te Papa Press Vol. 2 pp. 1-576.