Investigations on Cetacea (1974)
(...) Six complete [N. phocaenoides] (3 male, 3 female) have been collected in the Karachi Waters and in the Indus Delta Region by G. PILLERI. The testes and ovaries of…
On the behaviour and study of the harbour porpoise, Phocoena phocoena, in the wild
Amundin, M.; Amundin, B.
Investigations on Cetacea (1974)
A pilot study has been carried out in order to obtain information on the observational problems encountered in studying the harbour porpoise (Phocoena phocoena) in the wild. It is concluded…
Contribution to the knowledge of the cetaceans of Pakistan with particular reference to the genera Neomeris, Sousa, Delphinus and Tursiops and description of a new Chinese porpoise (Neomeris asiaeorientalis)
Pilleri, G.; Gihr, M.
Investigations on Cetacea (1972)
This paper is a contribution to the knowledge of the marine and estuarine cetacean fauna of Pakistani waters and it is based on the investigation of our own material collected…
Burmeister’s porpoise Phocoena spinipinnis Burmeister, 1865, off the Punta del Diablo, Uruguay
Pilleri, G.; Gihr, M.
Investigations on Cetacea (1972)
Information is communicated on the occurrence of Phoconea spinipinnis off the Uruguayan coast and on the general geographical distribution of this rare species. In contradiction to the observations of ALLEN…
Comparison of the tongues of some odontocetes: Pontoporia, Neomeris and Delphinus
Arvy, L.; Pilleri, G.
Investigations on Cetacea (1972)
In spite of important differences in shape and appearance, the tongues of Pontoporia blainvillei, Neomeris phocaenoides and Delphinus tropicalis present certain common characteristics. None have papillae resembling, even slightly, those…
Directional hearing in the harbour porpoise Phocoena phocoena
Andersen, S.
Investigations on Cetacea (1970)
The forced choice variation of the method of constant stimuli was used to study the ability of angular discrimination at 2 kHz of a harbour porpoise Phocoena phocoena. A minimum…
Auditory sensitivity of the harbour porpoise Phocoena phocoena
Andersen, S.
Investigations on Cetacea (1970)
An audiogram has been obtained from the harbour porpoise, Ph.phocoena, in water from 1 to 150 kHz by using the operant conditioning technique. The highest sensitivity was measured between 8…
Epimeletic behaviour in captive harbour porpoise, Phocaena phocaena (L.)
Andersen, S.
Investigations on Cetacea (1969)
Among captive harbour porpoises, Phocaena phocaena (L.) epimeletic behaviour has been observed. Nurturant behaviour was performed by a juvenile female and a juvenile male toward sucklings and evidence is given…
Electrocardiography of the harbour porpoise, Phocaena phocaena
Andersen, S.
Investigations on Cetacea (1969)
Electrocardiographical examinations have been performed on 4 harbour porpoises, Phocaena phocaena (L.) kept in captivity for studies on their hearing capability. Parameters of the ECG are presented and studies are…
Prevalence of morbilliviruses among pinniped and cetacean species
Visser, I. K. G.; Van Bressem, M. F.; Van de Bildt, M. W. G;; Groen, J.; Orvell, C.; Raga, J. A.; Osterhaus, A. D. M. E.;
Revue Scientifique et Technique de l'OIE (1993)
Since 1987, morbillivirus infections have caused serious disease outbreaks with high mortality among aquatic mammals. Baikal seals (Phoca sibirica) in Siberia were involved in an outbreak caused by a virus…