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Teleostei (teleosts) > Centrarchiformes (Basses) > Scorpididae (Halfmoons)
Etymology: Medialuna: Latin, media = middle + Latin, luna = noon (Ref. 45335).
More on author: Steindachner.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal; depth range 0 - 40 m (Ref. 9310). Temperate; 51°N - 14°N, 129°W - 92°W

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

Eastern Pacific: Vancouver Island in British Columbia, Canada, to Gulf of California; rare north of Point Conception in California, USA.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 48.0 cm TL male/unsexed; (Ref. 2850); max. reported age: 8 years (Ref. 72462)

Often occur in rocky areas and in kelp beds. Found from inshore areas to 40 m depth. Feed on seaweed and small invertebrates. Pelagic spawner (Ref. 56049). Also caught with harpoons. The flesh is of excellent quality and is marketed fresh (Ref. 9310).

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

Pelagic spawner (Ref. 56049).

Main reference Upload your references | References | Coordinator | Collaborators

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Least Concern (LC) ; Date assessed: 23 May 2007

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: subsistence fisheries

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 12.5 - 22.3, mean 18.1 °C (based on 18 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.7 ±0.22 se; based on food items.

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (tm=2).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (38 of 100).

Price category (Ref. 80766): Unknown.

Nutrients (Ref. 124155): Calcium = 43.9 [26.8, 83.1] mg/100g; Iron = 0.404 [0.251, 0.677] mg/100g; Protein = 18.4 [17.5, 19.4] %; Omega3 = 0.511 [0.305, 0.873] g/100g; Selenium = 12.1 [6.2, 23.6] μg/100g; VitaminA = 10.3 [3.1, 34.2] μg/100g; Zinc = 0.653 [0.476, 0.917] mg/100g (wet weight);

Medialuna californiensis (Steindachner, 1876)