Teleostei (teleosts) >
Perciformes/Cottoidei (Sculpins) >
Cyclopteridae (Lumpfishes) > Eumicrotreminae
Etymology: Eumicrotremus: Greek, eu = good + Greek, mikros = little, small + Greek, trema = hole (Ref. 45335).
Eponymy: This is a toponym. The etymology says: “The species is known from specimens about 300 millimeters in length, from Kominato, in the province of Awa, at the mouth of Tokyo Bay.” (Ref. 128868), visit book page.
More on authors: Jordan & Snyder.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 0 - 20 m (Ref. 58496). Temperate
Northwest Pacific: Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.0 cm SL male/unsexed; (Ref. 559)
This species is distinguished by the following set of characters: absence of spiny tubercles or
fleshy papillae on body; anterior three mandibular pores each with a barbel-like tube; interorbital and suborbital pores are usually absent; opercular flap rounded; ventral disk with many papillae; caudal-fin is relatively short, 21.0-30.5% of SL (Ref. 115553).
Feeds on crabs (Ref. 9137).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lee, S.J., J.-K. Kim, Y. Kai, S. Ikeguchi and T. Nakabo, 2017. Taxonomic review of dwarf species of Eumicrotremus (Actinopterygii: Cottoidei: Cyclopteridae) with descriptions of two new species from the western North Pacific. Zootaxa 4282(2). (Ref. 115553)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 18.7 - 22.4, mean 20.6 °C (based on 97 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00774 - 0.05639), b=3.03 (2.80 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.50 se; based on food items.
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).