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Ovalentaria/misc (Various families in series Ovalentaria) >
Plesiopidae (Roundheads) > Acanthoclininae
Etymology: Acanthoclinus: Greek, akantha = thorn + Greek, klinein, kline = sloping and bed, due to the four apophyses of sphenoid bone (Ref. 45335); marilynae: Named after Marilyn Hardy (Ref. 9003).
Eponymy: Marilyn Hardy was the wife of the author. According to the etymology she: “…assisted uncomplainingly at poison stations in the hot, muddy, and potentially dangerous mangrove swamps of North Queensland.” (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin démersal; non migrateur; profondeur 0 - 80 m (Ref. 9003). Temperate; 34°S - 37°S, 172°E - 176°E (Ref. 56304)
Southwest Pacific: endemic to New Zealand.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 17.0 cm TL mâle / non sexé; (Ref. 9003)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 19; Rayons mous dorsaux (Total) : 4 - 5; Épines anales: 10 - 12; Rayons mous anaux: 3 - 5. Head and body mottled light to dark brown to deep chocolate brown throughout. Fin membranes greyish brown to black with tips of dorsal and anal fins white or orange. Distinguished from other rockfishes in having 10-12 spines in the anal fin.
Body shape (shape guide): elongated.
Adults are common in the subtidal zone but may be found in rock pools. Feed on small fishes such as triplefins (Ref. 9003). Eggs are guarded by the male parent (Ref. 205).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Eggs are guarded by the male parent (Ref. 205).
Paulin, C. and C. Roberts, 1992. The rockpool fishes of New Zealand (Te ika aaria o Aotearoa). Museum of New Zealand (Te Papa Tongarewa). 177 p. (Ref. 9003)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00457 (0.00179 - 0.01169), b=3.10 (2.88 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.7 ±0.61 se; based on food items. |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low to moderate vulnerability (29 of 100). 🛈 |