Teleostei (teleosts) >
Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Kuronezumia: Japanese, kuronezumia = black mouse or rat. Personnal communication of Tomio I. Curator in the Calif. Academy of Sciences, Ichthyology; endoi: Named for Dr. Hiromitsu Endo (Laboratory of Marine Biology, Faculty of Science and Technology, Kochi University (BSKU).
Eponymy: Dr Hiromitsu Endo (d: 1964) of the Laboratory of Marine Biology is a Professor (since 1996) in the Faculty of Science, Kochi University, and Curator there. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range ? - 500 m (Ref. 123356). Temperate
Northwest Pacific: Japan.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 22.0 cm TL male/unsexed; (Ref. 123356)
Short description
Identification keys | Morphology | Morphometrics
This species is distinguished by the following characters: without a large, scaly, tubercular swelling anterior to anus; pelvic-fin rays 15; absence of enlarged scutes at snout tip; presence of prominent open pores along cephalic sensory canals; mandibular rami is almost entirely naked except for posterior portions; with scaly patches on lower portions of branchiostegal rays; body scales covered with long, moderately reclined, needle-like spinules in convergent rows; D1 II,10-11; pectoral-fin rays i22-i27; inner gill rakers on first arch 9; upper jaw length 31-32% HL. Colour of first dorsal fin blackish and the oral cavity pale (Ref. 123356)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nakayama, N., 2020. Grenadiers (Teleostei: Gadiformes: Macrouridae) of Japan and adjacent waters, a taxonomic monograph. Megataxa 3(1):1-383. (Ref. 123356)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00214 (0.00109 - 0.00421), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
