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Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Amamiichthys: The name reflects the extremely limited distribution of the type species, which is known only from Amami-oshima Island, Ryukyu Islands, Japan.
Eponymy: Dr Kiyomatsu Matsubara (1907–1968) was originally called Kiyomatsu Sakamoto but on marrying he took his wife’s name as the family surname. [...] (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin benthopélagique. Subtropical
Northwest Pacific: Japan.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 60.0 cm SL mâle / non sexé; (Ref. 559)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 12; Rayons mous dorsaux (Total) : 10; Épines anales: 3; Rayons mous anaux: 8; Vertèbres: 24. Distinguished by the following set of characters: D XII,10, with the first and second dorsal-fin spines very short and the third and fourth (usually) dorsal-fin spines extremely elongated and filamentous; A III, 8; 56-61 pored lateral-line scales; absence of scales on preopercular flange; colour of head and body uniformly pinkish, with upper body having small distinct blue spots (sometimes overlapping pairs); without black margin on caudal fin (Ref. 104925).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Important food fish.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Tanaka, F. and Y. Iwatsuki, 2015. Amamiichthys, a new genus for the sparid fish Cheimerius matsubarai Akazaki 1962, and redescription of the species, with designation of a neotype. Zootaxa 4007(2):195-206. (Ref. 104925)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00983 - 0.04439), b=2.96 (2.78 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Moderate to high vulnerability (49 of 100).
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