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Perciformes/Cottoidei (Sculpins) >
Psychrolutidae (Fatheads)
Etymology: balushkini: Named for Arkadii Vladimirovich Balushkin, a prominent contributor to the study of the Antarctic ichthyofauna.
Eponymy: Dr Arcady Vladimirovich Balushkin (1948-2021) was an ichthyologist at the Zoological Institute, Russian Academy of Sciences, St. [...] (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batidemersale; distribuzione batimetrica 960 - 1100 m (Ref. 116656). Deep-water
Southern Atlantic: Meteor Shoal. High Seas only.
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 10.6 cm SL maschio/sesso non determinato; (Ref. 116656); 11.0 cm SL (female)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 9 - 10; Raggi dorsali molli (totale) : 29 - 33; Raggi anali molli: 34 - 38. This species is characterized by the following: large head broad and slightly longer than 1/3 SL, as wide as long; upper profile of head straight; mouth position upper, posterior margin of upper jaw reaching slightly short of anterior margin of eye; lips clearly pronounced; the eye is smaller than orbit, covered with thin transparent skin; interorbital distance great; 2 pairs of nostrils, with anterior pair tubular; teeth on jaw sharply conical, arranged in 3 rows near symphysis; front teeth very small, inner teeth arranged in 2 rows, larger, bent backward; barbels on posterior end of lower jaw very long, of moderate thickness, coiled in
small balls apically, reaching beyond margin of operculum when stretched backwards and straightened; large branchial openning; gill rakers present on ceratobranchial only, clubbed and bearing several very small bony spinules apically; gill lamellae short, pale over entire length of gill arches; pharyngeal teeth very small, forming oval platforms on haryngobranchial 3 and ceratobranchial 5 (Ref. 116656).
Cross section: oval.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Voskoboinikova, O.S., 2014. New species Bathylutichtys balushkini sp. n. from the Meteor Shoal and the taxonomic position of the family Bathylutichthyidae (Cottoidei). J. Ichthyol. 54(8):598-601. (Ref. 116656)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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![Image of Bathylutichthys balushkini (Balushkin\](/images/thumbnails/gif/tn_PSYCHRT0.gif "Image of Bathylutichthys balushkini (Balushkin\")
