Klassifizierung / Names
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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Careproctus: Greek, kara = face + Greek, proktos = anus (Ref. 45335); io: Named after 'Io', a Greek mythological character who wandered the world without rest, due to the unsettled phylogenetic position of the new species; noun in apposition.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser bathydemersal; tiefenbereich 419 - 465 m (Ref. 131310). Subtropical
Northwest Pacific: Japan.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 5.1 cm TL Männchen/unbestimmt; (Ref. 131310); 4.4 cm TL (female)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenweichstrahlen (insgesamt) : 36 - 37; Afterflossenweichstrahlen: 30; Wirbelzahl: 40 - 42. This species is distinguished by the following set of characters: vertebrae 40-42; D 36 or 37; A 30; pectoral-fin rays 28 or 29 rays, deeply notched, with lower lobe reaching to anal-fin origin; large pelvic disk 34.2-34.5% HL (10.3-10.9% SL); teeth are strongly trilobed on both jaws, with inner teeth weakly trilobed or shouldered; cephalic pore pattern 2-6-7-2, chin pores paired; gill slit is above pectoral-fin base. Colouration: body bright red, non-variegated in life (Ref. 131310).
Cross section: oval.
The ovary of holotype pouch-like, translucent whitish, with yolked eggs (0.50 mm maximum diameter); testes of paratype (FAKU 150605) was enlarged, color creamy-white (Ref. 131310).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Kai, Y., E. Morikawa and R. Misawa, 2024. Careproctus io (Teleostei: Liparidae), a new snailfish from the western North Pacific, with comments on generic limits. Species Diversity 29:111-117. (Ref. 131310)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00203 - 0.00984), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.1 ±0.5 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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