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Cycleptus elongatus  (Lesueur, 1817)

Blue sucker
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Cycleptus elongatus
Picture by Thomas, C.

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

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Catostomidae (Suckers) > Cycleptinae
Etymology: Cycleptus: Greek, kyklos = round + Greek, leptes = thin (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic.   Subtropical; 47°N - 28°N

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 93.0 cm TL male/unsexed; (Ref. 5723); common length : 66.5 cm TL male/unsexed; (Ref. 12193); max. reported age: 13 years (Ref. 12193)

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

North America: Mississippi River basin from Pennsylvania to central Montana and south to Louisiana, USA; Gulf Slope drainages in the USA from Mobile Bay, Alabama to Rio Grande in Texas and New Mexico, and in Mexico.

Biology     Glossary (e.g. epibenthic)

Inhabits strong current in deep (1-2.5 m) chutes and main channels of medium to large rivers over bedrock, sand and gravel (Ref. 5723).

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

Main reference Upload your references | References | Coordinator | Collaborators

Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00152 - 0.01041), b=3.12 (2.89 - 3.35), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.1   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (tmax=13).
Vulnerability (Ref. 59153):  Moderate vulnerability (35 of 100) .
Price category (Ref. 80766):   Unknown.