Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bottenlevande; djupintervall 20 - 110 m (Ref. 37490), usually 20 - 40 m (Ref. 90102). Subtropical
Northwest Pacific: Japan.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.1 cm SL hane/ej könsbestämd; (Ref. 37490)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 7; Mjukstrålar i ryggfenan (totalt) : 11; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 8 - 12; Ryggkotor: 26. Presence of longitudinal yellow line on middle of cheek; yellow or brownish line from above middle of maxilla to lower part of cheek; oblique yellow line on occiput behind eye; orange line between maxilla and lachrymal; three transverse yellow line on flank; predorsal with 17-18 scales; cheek and opercle naked; occiput and pectoral base scaled (Ref. 37490); characterized further by having elevated first dorsal fin, without filaments; united pelvic fins, presence of well developed frenum; longitudinal scale series 30-39; head without scales except nape; predorsal scales 9-18;ctenoid scales covering body except cycloid anteriorly; greatest depth of body 4.8-6.0 in SL; rounded caudal fin, longer than head length (Ref. 90102).
Found on sandy-muddy bottoms. Observed associating with snapping shrimps (Ref. 37490). Also found in silty sand bottoms, often on slopes in 20-40 m (Ref 90102).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Ikeda, Y., T. Nakabo and W. Hiramatsu, 1995. Redescription of Vanderhorstia macropteryx (Perciformes: Gobiidae) with designation of a neotype. Jap. J. Ichthyol. 42(3/4):303-310. (Ref. 37490)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 17.1 - 28.9, mean 27.3 °C (based on 116 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00333 - 0.01504), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
