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Dorosoma anale Meek, 1904 Mexican river gizzard shad |
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photo by
Dubosc, J. |
| Family: | Dorosomatidae (Gizzard shads and sardinellas) | |||
| Max. size: | 24.62 cm SL (male/unsexed) | |||
| Environment: | pelagic; freshwater | |||
| Distribution: | North America: Mexico (Río Papaloapan in southern Veracruz and Oaxaca) southward to northern Guatemala (Río Ucumacinta basin). Reported from Belize (Ref. 30499). | |||
| Diagnosis: | Dorsal spines (total): 0-0; Anal spines: 0-0; Anal soft rays: 17-38. Body moderately deep; belly with 18 + 10 or 11 scutes. Mouth small, inferior; lower jaw short. Last dorsal fin ray long, about equal to distance snout tip to about mid-pectoral fin; anal fin long. Scales small, somewhat irregular. A dark spot behind gill opening. Gill rakers fine and numerous. | |||
| Biology: | Occurs in rivers, apparently not yet recorded in brackish water. A filter feeder. More data needed (Ref. 188). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 24 October 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||