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Kaiyomaru Whiptail Coelorinchus kaiyomaru Arai & Iwamoto, 1979
[CAAB 37 232031]

Distribution Map see an interactive map here (new window)

Distribution, ecology and habitat:

Southern circumglobal in temperate waters off New Zealand, Australia, the Falkland Islands and the southeast Atlantic Ocean; demersal at 600-1150 m, mostly at 900-1100 m.

Size:

To 43 cm TL.

Food and feeding:

Carnivorous on invertebrates such as decapod crustaceans, gastropod molluscs and polychaete worms.

Reproduction and early life history:

Characteristics:

D II, 7-10; P 17-21; V 7; GR 6-9; BR; PC 10-14.
Snout long, slender, sharply pointed, anterolateral margin incompletely supported by bone, area dorsally behind leading edge almost fully scaled; underside of head naked except along anterolateral margins and occasional scales over angle of jaws; nasal fossa naked; mouth relatively small, eye moderate much shorter than snout; gill membranes restricted; chin barbel short, thin. Body scales moderate, somewhat deciduous, those dorsally on trunk with 8-10 parallel to slightly divergent rows of small spinules. Fins generally small, long spinous second dorsal-fin ray extending beyond adjacent segmented rays; second dorsal-fin rays relatively well developed, of similar length to opposing anal-fin rays. Anus before anal-fin origin by one or two scale rows; light organ smalxternally visible as a small black naked area before anus.

Colour:

Overall greyish to pink, bluish over opercle; anterior part of trunk blue/black; mouth, gill cavity and orbital margin blackish, lips and barbel pale; fins dusky to blackish.

Similar species:

Fisheries:

Taken occasionally as bycatch in fisheries, but of no commercial importance.

Conservation Status:

Remarks:

Other common names:

Campbell Whiptail.

Original citation:

Coelorinchus kaiyomaru Arai & Iwamoto, 1979, Jpn. J. Ichthyol. 26(3): 238, fig.1, the Chatham Rise slope off New Zealand.

Etymology:

References:

Iwamoto, T. 1990. Family Macrouridae, pp. 90-318 In Cohen, D. M., T. Inada, T. Iwamoto & N. Scialabba (eds.) FAO Species Catalogue. Gadiform fishes of the world (order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiforms fishes known to date. FAO Fisheries Synopsis No. 125, Rome: FAO Vol. 10, 442 pp.

Iwamoto, T. & Graham, K.J. 2001. Grenadiers (Families Bathygadidae and Macrouridae, Gadiformes, Pisces) of New South Wales, Australia. Proc. Calif. Acad. Sci. 52(21): 407-509, figs. 1-114.

Iwamoto, T. & Williams, A. (1999). Grenadiers (Pisces, Gadiformes) from the continental slope of western and northwestern Australia. Proc. Calif. Acad. Sci. 51(3): 105-243 figs 1-58.