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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Icelus: From Icelus = the Morpheus name; mythology.
Eponymy: Katsunori Seki (d: 1954) is a diving photographer at Shiretoko Diving Kikaku. He showed the authors a photograph (1999) of an unidentified sculpin and later helped them obtain specimens. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βενθοπελαγικό; εύρος βάθους ? - 20 m (Ref. 58328). Temperate
Northwest Pacific: Japan.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.3 cm SL αρσενικό/απροσδιόριστο; (Ref. 58328)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 9; Μαλακές ραχιαίες ακτίνες (συνολικά) : 17 - 19; Μαλακές εδρικές ακτίνες: 12 - 13; Σπόνδυλοι: 36 - 37. Distinguished from its congeners by the following characters: supraocular and parietal spines absent; nuchal spine obscure; uppermost preopercular spine unbranched; no scales between dorsal scale row and lateral line scale row, and no scales below lateral line scale row; supraocular, parietal, and nuchal cirri present; five dark brown saddles dorsolaterally; 13 anal fin rays; 15 pectoral fin rays; vertebrae 12 + 24-25 = 36-37. Male holotype with a secondary sexual character, a unique ensiform flaps on the distal tips of the first dorsal fin (Ref. 58328).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Tsuruoka, O., H. Munehara and M. Yabe, 2006. A new cottid species, Icelus sekii (Perciformes: Cottoidei), from Hokkaido, Japan.. Ichthyol. Res. 53(1):47-51. (Ref. 58328)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00281 - 0.01234), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).