Conservation Biology (2000)
The world's most endangered marine cetacean, the vaquita (Phocoena sinus), continues to be caught in small-mesh gillnet fisheries throughout much of its range. We monitored fishing effort and incidental vaquita…
Population biology and incidental mortality of the vaquita, Phocoena sinus
Vidal, O.
Report of the International Whaling Commission (1995)
This paper reviews available information on the population biology and incidental mortality of the vaquita, Phocoena sinus. A re-examination of previous records and the collection of new records reveals that…
An unusually large aggregation of Burmeister’s porpoise Phocoena spinipinnis off Peru, with a review of sightings from the eastern south Pacific
Van Waerebeek, Koen; Santillán, Luis; Reyes, Julio C.
Noticiario Mensual - Museo Nacional de Historia Natural (2002)
A highly unusual sighting is described of a group of ca. 150 Burmeister’s porpoises near Isla Guañape Sur (08°28’04”S, 78°58’16.7”W) off the north-central Peruvian coast, in September 2001. The fishermen…
Yangtze river population of Finless Porpoises (Neophocaena phocaenoides)
Reeves, Randall R.; Jefferson, Thomas A.; Kasuya, Toshio; Smith, Brian D.; Wang, Ding; Wang, Peilie; Wells, Randall S.; Würsig, Bernd; Zhou, Kaiya
Biology and Conservation of Freshwater Cetaceans in Asia (2000)
The population of finless porpoises (Neophocaena phocaenoides) that inhabits China’s Yangtze River is unique. All other known populations of the species are distributed principally in marine waters. This population is…
Neophocaena phocaenoides
Jefferson, T.A.; Hung, S.K.
Mammalian Species (2004)
(...) Neophocaena phocaenoides is the only member of the family Phocoenidae without a dorsal fin (Fig. I ). In its place is a low, geographically-variable dorsal ridge (sometimes inappropriately called…
A history (1990-2015) of mismanaging the vaquita into extinction – A Mexican NGO’s perspective
Cantú-Guzmán, Juan Carlos; Olivera-Bonilla, Alejandro; Sánchez-Saldaña, María Elena
Journal of Marine Animals and Their Ecology (2015)
The population of the critically endangered vaquita has decreased alarmingly to less than 100 individuals due to by-catch in legal and illegal fisheries of totoaba, shrimp, shark, and others in…
A review of acoustic surveys and conservations actions for the vaquita
JARAMILLO-LEGORRETA, A.; ROJAS-BRACHO, L.; URBAN, J.
Scientific Committee Meeting Documents (2005)
In the first part of this report we present our results, so far, derived from the application of passive acoustic techniques to study the habitat use of vaquita. In the…
New advances on population status and protective measures of Lipotes vexillifer and Neophocaena phocaenoides in the Changjiang River
Renjun, L.
Aquatic Mammals (1991)
This paper reports the population status of the endangered Chinese River dolphin - Lipotes vexillifer, the factors causing the population decline of Lipotes and protective measures adopted in recent years,…
The development of spatial positions between mother and calf of Yangtze finless porpoises (Neophocaena asiaeorientalis asiaeorientalis) maintained in captive and seminatural environments
Xian, Yijie; Wang, Kexiong; Jiang, Wenhua; Zheng, Bangyou; Wang, Ding
Aquatic Mammals (2012)
For many toothed whales, two predominant and multifunctional spatial positions occur between a mother/calf pair after birth: (1) the echelon position and (2) the infant position. Other nonpredominant positions also…
Records of harbour porpoises (Phocoena phocoena) in fishing nets during the interwar period in Poland: Verification of archival materials
Psuty, Iwona
Aquatic Mammals (2013)
The Polish fisheries administration registered incidents of harbour porpoises caught by fishermen from fishing bases within the country's borders between 1922 and 1938. These data are unique in the Baltic…