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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien benthopelagisch. Subtropical
Northwest Pacific: Japan.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 60.0 cm SL mannelijk / geslacht onbekend; (Ref. 559)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 12; Dorsale zachte stralen (totaal) : 10; Anale stekels: 3; Anale zachte stralen: 8; Wervels: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01995 (0.00931 - 0.04278), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.5 ±0.5 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
High vulnerability (64 of 100). 🛈 |