Grenadiers or rattails are generally large, brown to black gadiform marine fish of the subfamily Macrourinae, the largest subfamily of the family Macrouridae. Found at great depths from the Arctic to Antarctic, members of this subfamily are amongst the most abundant of the deep-sea fish.
The rough-head whiptail or oblique banded rattail, Coelorinchus aspercephalus, is a species of rattail found around New Zealand including islands to New Zealand's south, at depths of between 30 and 300 m. Its length is between 15 and 35 cm.
Coelorinchus sheni is a species of rattail. It is only known from depths of 450–650 m off the coast of Taiwan.
Bathygadus antrodes is a gadiform fish, a species of rattail. It is found at depths of up to 1200 m in the waters around southern Japan and northern Taiwan.
Bathygadus garretti is a species of rattail. This is a deep-water fish found in the waters around southern Japan and northern Taiwan.
Bathygadus nipponicus is a species of rattail. This is a deep-water fish found in the waters around southern Japan and northern Taiwan.
Gadomus colletti is a species of rattail. This deep-water fish is found in the waters around Japan, the Philippines, and northern Taiwan.
Coelorinchus asteroides is a species of rattail. This is a deep-water fish found in the waters around Taiwan and southern Japan.
Coelorinchus longissimus is a species of rattail; this deep-water fish is found in the waters around Taiwan and southern Japan.
The unicorn grenadier, Coelorinchus productus, is a species of rattail. This fish is found at depths of up to 600 m in the waters around northern Taiwan, southern Japan and the East China Sea.
Hymenogadus gracilis, also known as the Graceful grenadier is a species of rattail fish. It is found at depths of 160–345 m (525–1,132 ft) in tropical and subtropical seas worldwide. This is one of the smallest of the rattails, growing to no more than 13 cm (5.1 in) in length. It is a slender fish with a large mouth, with rows of very small teeth, positioned in the underside of the skull. There is a short, thin chin barbel. It is more strikingly marked than most rattails, with bold black streaks on the head and black and silver barring over most of the body. There is a long bioluminescent organ with two lenses underneath the rear end of the body.
Lucigadus lucifer is a species of rattail. It is found at depths of up to 320 m in the waters around the Philippines and northern Taiwan.
The Japanese pugnose grenadier is a species of rattail fish. It is found at depths of up to 720 m in the waters around southern Japan, northern Taiwan and in the East China Sea.
Pseudocetonurus septifer is a species of rattail, the only known species in the genus Pseudocetonurus. This fish is found at depths of up to 950 m in the waters around Hawaii and in the south-eastern Pacific. It has recently also been recorded on the other side of the Pacific, near Taiwan, and this species probably has a pan-Pacific distribution but has been underrecorded due to the depths in which it lives.
The arrowtooth grenadier is a species of rattail. This is a deep-water fish found at depths of up to 950 m. It was originally recorded from the waters around Hawaii but has recently also been recorded near Taiwan, which suggests it has a far wider distribution than previously thought.
The plainfin grenadier is a species of rattail. This is a deep-water fish found at depths of up to 772 m. It has a wide distribution in the Indian and western Pacific Oceans.
Ventrifossa longibarbata is a species of rattail. This is a deep-water fish found at depths of up to 600 m. It is found in the waters off southern Japan and northern Taiwan.
The Palau grenadier is a species of rattail. This is a deep-water fish found at depths of up to 710 m. It has been recorded from many parts of the Pacific Ocean including Hawaii, southern Japan, Palau and northern Taiwan.
Ventrifossa rhipidodorsalis is a species of rattail. This is a deep-water fish found at depths of up to 535 m. It is found in waters off southern Japan, northern Taiwan, the Philippines, and in the South China Sea.
Ventrifossa saikaiensis is a species of rattail. This is a deep-water fish found at depths of up to 740 m. It is found in the waters off southern Japan and northern Taiwan.
