Actinopterygii (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Rhombosoleidae
(South Pacific flounders)
Etymology: Pelotretis: Greek, pelos, pellos,-e,-on = dark + Greek, tretos = with holes (Ref. 45335). More on author: Waite.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 22 - 385 m (Ref. 58489). Temperate
Southwest Pacific: restricted to New Zealand (Ref. 9258).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Common length : 30.0 cm TL male/unsexed; (Ref. 9258)
Inhabits shallow waters, generally at depth of less than 50 m. Found to depth of 385 m (Ref. 27073). Juveniles gather in sheltered inshore waters, such as estuarine areas, shallow mudflats and sandflats, where they remain for up to two years (Ref. 9072).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Amaoka, K., K. Matsuura T. Inada, M. Takeda, H. Hatanaka and K. Okada (eds.), 1990. Fishes collected by the R/V Shinkai Maru around New Zealand. Japan Marine Fishery Resource Research Center, Tokyo, Japan. 410 p. (Ref. 27073)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 118484)
Threat to humans
Fisheries: commercial; gamefish: yes
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
Estimates based on models
Preferred temperature (Ref. 115969
): 8.5 - 16, mean 13.3 °C (based on 59 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.00772 - 0.04098), b=2.97 (2.76 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.29 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=5).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (27 of 100) .