Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Gadiformes
(Cods) > Macrouridae
(Grenadiers or rattails) > Macrourinae
Etymology: Spicomacrurus: Name presumably from the Latin 'spica' or 'spiculum' meaning dart, spike; probably referring to the dartlike shape of the fish, and 'macrurus', a genus of grenadier; treated as a masculine noun..
Environment: milieu / climate zone / depth range / distribution range
Marine; benthopelagic; depth range 315 - 596 m (Ref. 98298). Subtropical
Northwest Pacific: off southeastern Japan to northern Taiwan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 559)
Morphology | Morphometrics
This species is distinguished by the following characters: pelvic-fin rays 8; nasal bones are closely adjoining along mesial edges, forming 3 horizontal plate like processes; otolith length to height (OL:OH = 1.45-1.6) (Ref. 98298).
A benthic species found on the continental slope (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Schwarzhans, W., 2014. Head and otolith morphology of the genera Hymenocephalus, Hymenogadus and Spicomacrurus (Macrouridae), with the description of three new species. Zootaxa 3888(1):1-73. (Ref. 98298)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 2.5 - 4.4, mean 3.3 (based on 137 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00224 (0.00097 - 0.00516), b=3.16 (2.97 - 3.35), 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.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (30 of 100) .