Pictures and facts about the Franciscana

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Franciscana

Order : Cetacea
Suborder : Odontoceti
Family : Platanistidae
Species : Pontoporia blainvillei

 

The Franciscana, la plata river dolphin is listed as Data Deficient (DD), inadequate information to make a direct, or indirect, assessment of its risk of extinction, on the IUCN Red List of Threatened Species

Facts about the franciscana

© National Research Council Canada Notes: The franciscana, Pontoporia blainvillei, is a dolphin that experiences extensive incidental mortality in fisheries throughout its

Description: The Franciscana is one of the world's smallest cetaceans.

Fascinating Facts: Franciscanas are the only member of the river dolphin family living in the sea.

Franciscanas are most common in the La Plata estuary but they do not venture upstream further than Buenos Aires.

La Plata Dolphin range The La Plata Dolphin (Pontoporia blainvillei) is a river dolphin.

The Franciscana is a [CITIES-listed Endangered Species]

When they are born, franciscanas are about 70cm (28in) long .

The La Plata dolphin or Franciscana (Pontoporia blainvillei) is endemic to the coastal waters of the central western South Atlantic (Brazil, Uruguay and Argentina) and one of the rarest and most poorly known South American dolphins. (Full text)

- [Oct 29, 2004] We reported previously that the major cysteine protease in embryos and larvae of the brine shrimp, Artemia franciscana, is a heterodimeric protein consisting . (Full text)

Jun 7, 2004The brine shrimp (Artemia franciscana) is tetraploid, whereas the pine sawfly (Diprion similie) has diploid males but tetraploid females. (Full text)

Although considered one of the river dolphins, franciscanas are found mainly in coastal marine waters with occasional occurrences in estuaries. (Full text)

Because no comprehensive study has been undertaken to assess the impact of fisheries on the species, franciscana is listed as "Data Deficient" in the IUCN Red Data Book. (Full text)

BEHAVIOR: The Franciscana is difficult to detect for several reasons. (Full text)

LENGTH AND WEIGHT The Franciscana is one of the smallest cetaceans; average length for both males and females is 6 feet (1. (Full text)

STATUS Several hundred Franciscanas are accidentally caught in shark nets each year with past estimates as high as 1500. (Full text)

In the Rio Grande do Sul coast, franciscanas are known to reproduce seasonally; births occur from October to early February (about 75% from October to December). (Full text)

Binomial name Pontoporia blainvillei The La Plata Dolphin (Pontoporia blainvillei) is a river dolphin. (Full text)

Surveys (including beach surveys, visits to museum collections, interviews with local people) indicate that franciscanas are extremely rare or absent in two areas of the northern parts of their range between Macaé (southern Rio de Janeiro State) and Ubatuba (northern São Paulo State) and in southern Espírito Santo State (Azevedo et al. (Full text)

The La Plata Dolphin (Pontoporia blainvillei) is a river dolphin. (Full text)

Conservation Status: The Franciscana is common in local areas (Full text)

1. Gray Friar, Franciscan -- (a Catholic friar wearing the gray habit of the Franciscan order)
Gray Friar
Franciscan
(Source WordNet)