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Acropomatiformes (Oceanic basses) >
Pempheridae (Sweepers)
Etymology: Parapriacanthus: Greek, para = near + Greek, prion = saw + Greek, akantha = thorn (Ref. 45335); rahah: Named for its type locality, Rahah Bay; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas associadas(os) a recifes; intervalo de profundidade ? - 14 m (Ref. 107896). Tropical
Western Indian Ocean: Oman.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 5.4 cm SL macho/indeterminado; (Ref. 107896); 5.3 cm SL (female)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 6; Raios dorsais moles (total) : 9; Espinhos anais: 3; Raios anais moles: 20 - 22. This species is characterized by the following: D VI,9; A III,20 (20-22); pectoral-fin rays 15-16 (often 16); lateral-line scales 65 (64-69); scale rows above lateral line to base of dorsal fin 5.5; gill rakers 25 (24-26, modally 25); body depth 3.2 (3.1-3.2) in SL, width 2.1 (2.0-2.15) in body depth; depth of caudal-peduncle 10.2 (9.5-10.1) in SL; head length 3.0 (2.85-3.0) in SL; snout length 12.2-12.9 in SL; relatively large eye, orbit diameter 7.5 (7.6-7.8) in SL with interorbital width 13.1 (12.0-14.0); mouth forming an angle of about 60° to horizontal axis of body; slender, recurved teeth in 2 irregular rows in upper row that project downward and becoming progressively smaller to end of the jaw; lower jaw with two medial rows of strongly recurved and inward-projecting teeth, reducing to a single row for remainder of jaw; vomer and palatines with small, incurved, sharply conical teeth in a single irregular row; thin upper lip, densely covered with dark purple papillae while lower lip has smaller, more widely spaced papillae; tongue broadly triangular, indented slightly on sides near tip, forming a small, rounded tip; predorsal length 2.5 (2.4-2.45) in SL; first dorsal-fin soft ray is longest, 4.4 (4.6-4.65) in SL; caudal fin forked with fin length 3.9 (3.95 and broken) in SL; pectoral-fin length 3.5 (3.45-3.55) in SL; prepelvic length 2.75 (2.5-2.7) in SL; pelvic fins not reaching the anus, fin length 5.0 (5.1-5.3) in SL; preanal length 1.55 (1.5-1.6) in SL; without a pin-like dark line anterior to anus; golden iris in preserved holotype (Ref. 107896).
Collected from a cave in a drop-off by rotenone (Ref. 107896).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Randall, J.E. and S.V. Bogorodsky, 2016. Preliminary review of the pempherid fish genus Parapriacanthus of the western Indian Ocean, with descriptions of five new species. J. Ocean Sci. Found. 20:1-24. (Ref. 107896)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2024-1)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00669 - 0.03426), b=3.01 (2.81 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
