Medialuna californiensis, Halfmoon : fisheries

Medialuna californiensis (Steindachner, 1876)

Halfmoon
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Medialuna californiensis   AquaMaps   Data sources: GBIF OBIS
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Image of Medialuna californiensis (Halfmoon)
Medialuna californiensis
Picture by Gotshall, D.W.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

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

Biology     Glossary (e.g. epibenthic)

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 2025-2 (Global))

  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 |

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Territories
FAO areas
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Occurrences
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BRUVS - Videos
Anatomy
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Physiology
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Nutrients
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Swimming type
Swimming speed
Visual pigments
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Diseases & Parasites
Toxicity (LC50s)
Genetics
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Stamps, coins, misc.
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References
References

Tools

Bio-Quiz | E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index
(Ref. 82804) 		PD50 = 0.7505 [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) 		Low to moderate vulnerability (34 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);