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Acropomatiformes (Oceanic basses) >
Pempheridae (Sweepers)
Etymology: Parapriacanthus: Greek, para = near + Greek, prion = saw + Greek, akantha = thorn (Ref. 45335); kwazulu: Named for KwaZulu-Natal, its type locality; noun in apposition.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; profondeur ? - 38 m (Ref. 107896). Tropical
Western Indian Ocean: South Africa.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 4.2 cm SL mâle / non sexé; (Ref. 107896)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 6; Rayons mous dorsaux (Total) : 9; Épines anales: 3; Rayons mous anaux: 20 - 22. This species is characterized by the following: D VI,9; A III,21 (20-22); pectoral-fin rays 16 (16 or 17, mainly 17); lateral-line scales 66 (64-71); scale rows above lateral line to base of dorsal fin 5.5; gill rakers 24 (27-27, modally 25); body depth 3.2 (3.1-3.2) in SL, width 2.0 (1.95-2.15) in body depth; depth of caudal-peduncle 9.25 (9.5-9.8) in SL; head length 2.85 (2.7-2.85) in SL; snout length 11.6 (11.7-12.3) in SL; mouth forming an angle of about 65° to horizontal axis of body; well-spaced outer row of slender, sharply conical, recurved teeth, the upper row more forward-projecting, those of second row more strongly recurved; similar smaller teeth in lower jaw; very small, incurved, sharply conical teeth in a single irregular row on vomer and palatines; thin lips, covered with small greenish spots and larger scattered low purple papillae; tongue broadly triangular, indented slightly near the tip; predorsal length 2.3 (2.3-2.45) in SL; first dorsal-fin soft ray is longest, 4.0 (4.1-4.65) in SL; caudal fin forked, fin length 4.05 (broken in paratypes) in SL; pectoral-fin length 3.1 (3.05-3.2) in SL; prepelvic length 2.7 (2.5-2.7) in SL; pelvic fins not or just reaching the anus, fin length 5.3 (4.55-5.7) in SL; preanal length 1.7 (1.7; 2 specimens too damaged for measurement) in SL; with a pin-like dark line anterior to anus; black iris in preserved holotype (Ref. 107896).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Specimens collected from a large cave by hand net or spear (Ref. 107896).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: pêcheries vivrières
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01479 (0.00662 - 0.03303), b=3.01 (2.81 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |