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Dorosoma cepedianum, American gizzard shad: fisheries, gamefish, bait

Dorosoma cepedianum

Dorosoma cepedianum American gizzard shad You can sponsor this page Dorosoma cepedianum (Lesueur, 1818) picture (Docep_u2.jpg) by Perusquía, E. Family: Clupeidae (Herrings, shads, sardines, menhadens)

Order: Clupeiformes (herrings)

FishBase name: American gizzard shad

Max. size: 57.0 cm FL (male/unsexed; (Ref. 40637)); max. published weight: 1,980 g (Ref. 40637); max. reported age: 10 years (Ref. 72462)

Note: This map was computer-generated and has not yet been reviewed by an expert. Dorosoma cepedianum AquaMaps Data sources: GBIF OBIS Point map | Environment: pelagic-neritic; anadromous (Ref. 51243); freshwater; brackish; marine; depth range ? – 33 m (Ref. 39020) Climate: subtropical; 31.5°C (Ref. 12741); 45°N - 24°N, 100°W - 70°W Importance: fisheries: minor commercial; gamefish: yes; bait: usually; price category: low; price reliability: reliable: based on ex-vessel price for this species Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (tm=2; tmax=6) Vulnerability: Low to moderate vulnerability (29.36). (Ref. 59153) Distribution: Northwest Atlantic: North America and Gulf of Mexico drainage (southeast South Dakota and central Gazetteer Minnesota, Great Lakes drainage, i.e. in Lake Erie, southern parts of Lakes Huron and Michigan, Lake Ontario basin; not Lake Superior; southernmost New York southward to the Mississippi system and to Gulf southward to Río Pánuco, Mexico. Morphology: Dorsal spines (total): 0 - 0; Dorsal soft rays (total): 10 - 15; Anal spines: 0; Anal soft rays: 25 – 36; Vertebrae: 47 – 51. Body moderately deep; belly with 17 to 20 - 10 to 14 scutes. Mouth small; lower jaw short. Last dorsal fin ray long, about equal to distance from snout tip to mid-pectoral fin or beyond; anal fin long. Scales small, somewhat irregular. A dark spot behind gill opening. Gill rakers fine and numerous (Ref. 188). Branchiostegal rays 6 (Ref. 4639). Silvery to brassy, with a bluish back. Stomach thick-walled, gizzard-like (Ref. 7251). Biology: Occur mainly in freshwater in large rivers, reservoirs, lakes, swamps, temporary floodwater pools, etc., but adults also found in brackish or saline water of estuaries or bays, preferring quieter open waters. Juveniles are found in great abundance well upstream from brackish water (Ref. 39041). Very young individuals apparently never enter brackish water (Ref. 38947). Larvae are most abundant in surface waters both day and night (Ref. 4639). A herbivorous filter-feeder almost entirely. Breed near the surface in freshwater from late winter (mid- March) through most of the summer (at least to about mid-August). The adhesive eggs sink. Used to some extent as fertilizer and cattle food (Ref. 188). Red List Status: Not Evaluated (Ref. 57073) Dangerous: harmless Coordinator: Main Ref: Whitehead, P.J.P.. 1985 . (Ref. 188)

http://www.fishbase.org/Summary/SpeciesSummary.php?id=1604 (1 of 2)12/2/2008 10:07:56 AM Dorosoma cepedianum, American gizzard shad: fisheries, gamefish, bait

More information: Countries Common References Collaborators FAO areas names Growth Genetics Occurrences Synonyms L-W relationship Allele frequencies Introductions Pictures L-L relationship Heritability Ecosystems Sounds Length Strains Ecology Reproduction frequencies Aquaculture Recruitment Aquaculture Diet Maturity Max. age & size profile Food items Spawning Metabolism Diseases Food Eggs Morphology Ecotoxicology consumption Egg dev. Processing Ration Morphometrics Larvae Speed Predators Gill area Larval Swim. type Ciguatera Brains dynamics Stamps Vision Biblio Otoliths Note: No data available if label is black; please send relevant papers to: FishBase, MC P.O. Box 2631, 0718 Makati, Philippines, or attach files to 'Comments & Corrections' email below. The Journal Acta Ichthyologica et Piscatoria welcomes short articles on the above topics, especially if they fill gaps. .

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Checked: Modified: Entered: Binohlan, Crispina B. Kesner-Reyes, Kathleen Binohlan, Crispina B.

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http://www.fishbase.org/Summary/SpeciesSummary.php?id=1604 (2 of 2)12/2/2008 10:07:56 AM