>
Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Radulinopsis: Latin, radula, radere = to scrape (1877) (Ref. 45335).
Eponymy: Aleksandr Nikolayeviç Derjavin (Derzhavin) (1878–1963) was a Russian biologist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / kisaran kedalaman / distribution range
Ekologi
laut dasar (demersal); kisaran kedalaman 0 - 20 m (Ref. 58496). Temperate
Northwest Pacific: Russian Federation and northern Japan.
Length at first maturity / Size / Weight / umur
Kematangan: Lm 4.0  range ? - ? cm
Max length : 7.0 cm TL jantan/; (Ref. 56557)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 9 - 11; duri punggung lunak (Keseluruhan (total)) : 13 - 15; Duri dubur: 0; Sirip dubur lunak: 13 - 14; vertebrata, bertulang belakang: 31 - 33. Head and body above lateral line almost completely covered with small serrated scales; teeth absent on prevomer; length of anal fin base 28%-32% SL; length of caudal peduncle 15%-17% SL (Ref. 45347).
Found over sandy bottoms (Ref. 45347). Maximum depth reported at 24 m (Ref. 45347).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Sokolovskaya, T.G., A.S. Sokolovskii and E.I. Sobolevskii, 1998. A list of fishes of Peter the Great Bay (the Sea of Japan). J. Ichthyol. 38(1):1-11. (Ref. 27683)
Status IUCN Red List (Ref. 130435: Version 2025-1)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Preferred temperature (Acuan
123201): 6.1 - 18.3, mean 12.4 °C (based on 126 cells).
Phylogenetic diversity index (Acuan
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00344 - 0.02648), b=3.09 (2.85 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Acuan
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Daya lenting (Acuan
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
🛈