Rhizoprionodon lalandii  (Müller & Henle, 1839)

Brazilian sharpnose shark
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Rhizoprionodon lalandii   AquaMaps   Data sources: GBIF OBIS
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Image of Rhizoprionodon lalandii (Brazilian sharpnose shark)
Rhizoprionodon lalandii
Picture by Vianna, M.

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

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Rhizoprionodon: Greek, rhiza = root + Greek, prion = saw + Greek, odous = teeth (Ref. 45335).

Environment / Climate / Range Ecology

Marine; demersal; depth range 3 - 70 m (Ref. 244).   Tropical; 13°N - 33°S

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 77.0 cm TL (female); common length : 55.0 cm TL male/unsexed; (Ref. 5217)

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

Western Atlantic: Panama to southern Brazil and Uruguay (Ref. 58839).

Biology     Glossary (e.g. epibenthic)

Inhabits shallow coastal waters, on sandy and muddy bottoms, and not normally found in lagoons and estuaries (Ref. 244). Feeds on small bony fishes, including sardines and anchovies, also shrimp and squid (Ref. 244). Viviparous, with 1 to 4 young in a litter; size at birth 33 to 34 cm (Ref. 244). Its flesh is highly appreciated and is marketed dried salted.

Main reference Upload your references | References | Coordinator : Compagno, Leonard J.V. | Collaborators

Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. John Hopkins University Press, Maryland.

IUCN Red List Status (Ref. 90363)

  Data deficient (DD) 

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(Publication : search) | FIRMS (Stock assessments) | FisheriesWiki | Sea Around Us

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Summary page | Point data | Common names | Photos

Internet sources

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

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (-0.30300 - 0.32300), b=3.04 (2.92 - 3.16), based on all LWR estimates for this BS (Ref. 93245).
Trophic Level (Ref. 69278):  4.3   ±0.65 se; Based on food items.
Resilience (Ref. 69278):  Very Low, minimum population doubling time more than 14 years (Fec=1).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (34 of 100) .
Price category (Ref. 80766):   Medium.