>
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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien rifbewoner. 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.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 6.8 cm SL mannelijk / geslacht onbekend; (Ref. 116906)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 7; Dorsale zachte stralen (totaal) : 20 - 21; Anale stekels: 3; Anale zachte stralen: 16 - 18; Wervels: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
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
Download XML
Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
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). |
Trofisch niveau (Ref. 69278) |
3.6 ±0.5 se; based on size and trophs of closest relatives |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |