Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Kyphosidae (Sea chubs) > Girellinae

Environment / Climate / Range Ecology

Marine; brackish; benthopelagic; depth range 0 - 20 m (Ref. 9002). Temperate, preferred 17°C (Ref. 107945); 25°S - 43°S, 135°E - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: southeastern Australia (southern Queensland to South Australia) and New Zealand.

Length at first maturity / Size / Weight / Age

Maturity: L_m 29.5, range 22 - ? cm
Max length : 71.0 cm FL male/unsexed; (Ref. 6390); common length : 35.0 cm TL male/unsexed; (Ref. 2158); max. published weight: 4.0 kg (Ref. 6390); max. reported age: 24 years (Ref. 95598)

Adults favor estuarine (including mangroves), rocky reef and inshore, coastal water habitats (Ref. 5962, 27248). They flourish in seagrass areas (Ref. 6390). Ludericks are moderately sedentary, schooling fish. They are herbivorous and feed primarily on seagrasses (Ref. 6390). Filamentous algae (Ref. 26966) and cabbage weed also form part of their diet (Ref. 28607). Marketed as fresh fish (Ref. 10384).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Maturing luderick form large aggregations. Mature fish undertake 'runs' from inside the rivers and coastal lakes to the sea. The fish spawn in the surf zone and estuary mouths (Ref. 6390).

Main reference Upload your references | References | Coordinator | Collaborators

Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993. Australian fisheries resources. Bureau of Resource Sciences, Canberra, Australia. 422 p. (Ref. 6390)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: commercial; gamefish: yes

FAO(fisheries: production; publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01148 (0.00641 - 0.02055), b=3.00 (2.84 - 3.16), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic Level (Ref. 69278): 2.1 ±0.1 se; Based on diet studies.

Resilience (Ref. 69278): Low, minimum population doubling time 4.5 - 14 years (K=0.2; Fec=300,000; tmax=24).

Prior r = 0.44, 2 SD range = 0.23 - 0.84, log(r) = -0.82, SD log(r) = 0.32, Based on: 5 K, 2 tgen, 1 tmax, 8 Fec records

Vulnerability (Ref. 59153): Moderate vulnerability (36 of 100) .

Price category (Ref. 80766): Very high.

Girella tricuspidata (Quoy & Gaimard, 1824)