Classificatie / Names
Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien. Temperate
Verspreiding
Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri
Northwest Pacific: southeastern part of Sakhalin Island, Russia.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 5.1 cm SL mannelijk / geslacht onbekend; (Ref. 86731)
Korte beschrijving
Morfologie | Morfometrie
This species is distinguished from its congeners in having the following set of characters: membranes of dorsal-fin spines darkly pigmented (in specimens greater than 17 mm SL); spawning males with lower part of head and abdomen darkly pigmented; membranes of dorsal-fin spines black; membranes of pelvic-fin spine blue and white; pelvic-fin spine dark with lightly pigmented tip; anal-fin spine dark at base, blue and white distally; numerous small black dots on membranes between rays of dorsal and anal fins, resulting in an overall dark-grey coloration; no anteroventral branch of ectocoracoid (ectocoracoids not extending beneath junction of cleithra); no ascending branch on pelvic skeleton; modal number of dorsal-fin spines 10; presence of caudal peduncle keel (4-6 scutes), no lateral scutes on trunk absent; pelvic-fin spine with smooth lateral margins; posterior margin of caudal fin rounded (Ref. 86731).
Males build, guard and aerate the nest where the eggs are deposited (Ref. 205).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Males build, guard and aerate the nest where the eggs are deposited (Ref. 205).
Shedko, S.V., M.B. Shedko and T.W. Pietsch, 2005. Pungitius polyakovi sp n., a new species of ninespine sticklebask (Gasterosteiformes, Gasterosteidae) from southern Sakhalin Island. pp. 223-233. In Storozhenko & Yu (ed). Flora and Fauna of Sakhalin Island... Part 2. pp. 1-250. Flora and Fauna of Sakhalin Island: 223-233. (Ref. 86731)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Meer informatie
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00205 - 0.01068), b=3.04 (2.83 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.2 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
