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Cymatogaster aggregata  Gibbons, 1854

Shiner perch
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| Native range | All suitable habitat | PointMap | Year 2100 |
This map was computer-generated and has not yet been reviewed.
Cymatogaster aggregata   AquaMaps   Data sources: GBIF OBIS
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Image of Cymatogaster aggregata (Shiner perch)
Cymatogaster aggregata
Picture by Nichols, J.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Embiotocidae (Surfperches)
Etymology: Cymatogaster: Greek, kyma,-atos = wave, swelling, bump + Greek, gaster = stomach (Ref. 45335);  aggregata: Cymatogater foetus belly - alluding to the fact that it is a live bearer; aggregata crowded together (Ref. 4930).

Environment / Climate / Range Ecology

Marine; freshwater; brackish; demersal; non-migratory; depth range ? - 146 m (Ref. 2850).   Subtropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 20.3 cm TL male/unsexed; (Ref. 27547); common length : 11.5 cm TL male/unsexed; (Ref. 12193); max. reported age: 9 years (Ref. 56049)

Short description Morphology | Morphometrics

Dorsal spines (total): 8 - 11; Dorsal soft rays (total): 19-22; Anal spines: 3; Anal soft rays: 22 - 25; Vertebrae: 33 - 37. Distinguished by the rather deep, compressed body, the large scales, and the three spines in the anal fin (Ref. 27547). Lateral line slightly arched, complete (Ref. 27547). Generally silvery, with back dusky to greenish; middle of sides toward head are scales with groups of fine black dots on them, forming about eight longitudinal stripes; the stripes are often interrupted, especially in females, by three pale yellow, vertical bands; paired fins colorless; dorsal and caudal fins plain or dusky; anal fin usually colorless, sometimes with a yellow blotch toward the front (Ref. 27547). Breeding males may be almost solid black and develop fleshy lobes on both sides of anal fin (Ref. 27547).

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

Eastern Pacific: Wrangell, southeastern Alaska to Bahia San Quintin, northern Baja California, Mexico.

Biology     Glossary (e.g. epibenthic)

Usually in shallow water, around eelgrass beds, piers and pilings and commonly found in bays and quiet back waters (Ref. 2850). Also in calm areas of exposed coast (Ref. 2850). Enter brackish and fresh waters (Ref. 2850). Found in loose schools or aggregations (Ref. 2850). Young feed mainly on copepods, while adults eat various small crustaceans, mollusks, and algae (Ref. 27547). Viviparous, female carries the developing young (Ref. 205). Exhibit seasonal onshore-offshore movements (Ref. 27547).

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. Houghton Mifflin Company, Boston, U.S.A. 336 p. (Ref. 2850)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; gamefish: yes; aquarium: public aquariums; bait: occasionally
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | Public aquariums | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.0   ±0.31 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (tm=1; tmax=9; Fec=3-78).
Vulnerability (Ref. 59153):  Low vulnerability (17 of 100) .
Price category (Ref. 80766):   Unknown.