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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 / rango de profundidad / distribution range
Ecología
marino asociado a arrecife. 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.
Tamaño / Peso / Age
Madurez: Lm ?  range ? - ? cm
Max length : 6.8 cm SL macho / no sexado; (Ref. 116906)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 7; Radios blandos dorsales (total) : 20 - 21; Espinas anales: 3; Radios blandos anales: 16 - 18; Vértebra: 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
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Referencia
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).
Nivel trófico (Referencia
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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