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Ovalentaria/misc (Various families in series Ovalentaria) >
Pomacentridae (Damselfishes) > Pomacentrinae
Etymology: Pomacentrus: Greek, poma, -atos = cover, operculum + Greek, kentron = sting (Ref. 45335); rodriguesensis: This species is named Pomacentrus rodriguesensis with reference to the type locality. It is probably restricted to this location as collections from other Mascarene Islands have failed to yield specimens.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino asociado a arrecife; rango de profundidad 9 - 18 m (Ref. 52297). Tropical
Western Indian Ocean: known only from Rodrigues Island.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 8.0 cm SL macho / no sexado; (Ref. 52297)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 14; Radios blandos dorsales (total) : 13 - 14; Espinas anales: 2; Radios blandos anales: 15 - 16. Diagnosis: Dorsal rays usually XIV, 13 or 14 (one specimen with XIII, 14); anal rays usually II, 15 (one specimen with II, 12 and another with II, 16); pectoral rays usually 18 (rarely 17 or 19); tubed lateral line scales 17 or 18; gill rakers 7-8 + 12-14 (total 19-21); body depth 1.9-2.0 in SL; in life, color overall brown with darker scale margins and yellowish hue ventrally between pectoral and pelvic fin bases; dorsal fin brown with broad yellow margin; anal and caudal fins brown; pelvic fins yellow with dark brown filamentous tips; iris golden yellow.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Pomacentrus rodriguesensis is currently known only from Rodrigues. It is relatively common in the lagoon at depths between 9-18 m on reefs that contain mainly Acropora corals that are affected by silt deposition. Their territorial behaviour suggests that, although they may not dramatically modify the benthic reef environment, they may promote the biomass of their preferred food algae. Life history characteristics for the family specify that this group is oviparous, with distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
Allen, G.R. and J.E. Wright, 2003. Description of a new species of damselfish (Pomacentridae: Pomacentrus) from Rodrigues Island, Indian Ocean. aqua, J. Ichthyol. Aquat. Biol. 7(4):133-138. (Ref. 52297)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02399 (0.01134 - 0.05074), b=2.98 (2.81 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 2.7 ±0.3 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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