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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.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) Υφαλόφιλο(α). 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.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 6.8 cm SL αρσενικό/απροσδιόριστο; (Ref. 116906)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 7; Μαλακές ραχιαίες ακτίνες (συνολικά) : 20 - 21; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 16 - 18; Σπόνδυλοι: 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.
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00166 - 0.01096), b=3.17 (2.94 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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