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Perciformes/Serranoidei (Groupers) >
Grammistidae (Soapfishes)
Etymology: Pseudogramma: Greek, pseudes = false + Greek, gramma = letter, signal (Ref. 45335).
Eponymy: Dr Charles Marcus Breder Jr (1897–1983) was an experimental and behavioural ichthyologist whose doctorate was honorary, awarded by the University of Newark (1938). [...] (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino associati a barriera corallina. Subtropical
Indo-Pacific with a disjunct east-west distribution, also antitropical except in the Marquesas. Southwestern Indian Ocean population currently known only from Agalega Islands, Mauritius and Reunion. Central Pacific population present from Ogasawara, Johnston, Hawaii, Marquesas, Australs, Tonga and Vanuatu.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 6.8 cm SL maschio/sesso non determinato; (Ref. 116906)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 7; Raggi dorsali molli (totale) : 20 - 21; Spine anali: 3; Raggi anali molli: 16 - 18; Vertebre: 26. This species is distinguished by the following characters: modally 21 segmented dorsal-fin rays; modally 17 segmented anal fin rays; with a relatively long LL (1.6-1.9, mean = 1.8) in SL; relatively well-developed scalation on the interorbital, suborbital and dentary; head length 2.4-2.7 in SL, peduncle depth 3.2-4.0 in HL (Ref. 116906)
Body shape (shape guide): elongated; Cross section: oval.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Williams, J.T. and J. Viviani, 2016. <>iPseudogramma polyacantha complex (Serranidae, tribe Grammistini): DNA barcoding results lead to the discovery of three cryptic species, including two new species from French Polynesia. Zootaxa 4111(3):246-260. (Ref. 116906)
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) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00437 (0.00167 - 0.01142), b=3.17 (2.94 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.6 ±0.5 se; based on size and trophs of closest relatives |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |