Results 71 to 80 of about 992 (189)

First Comprehensive Study of Telomere Length Measured by Southern Blot Hybridization and Oxidative Stress Across 12 Captive Marine Mammal Species

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT Telomeres, repetitive nucleotide sequences at chromosome ends, shorten with oxidative damage and cell replication, and are increasingly used as biomarkers of stress and physiological state. Despite this potential, telomere length (TL) in marine mammals has been measured using Southern blot hybridization in only a few cases, often from ...
Haruka Nakajin, Satoko S. Kimura, Yuichi Mizutani, Koji Kanda, Takashi Kamio, Kensuke Yamada, Rieko Toriyama, Takaomi Ito, Ikuo Wakabayashi, Sayo Sonezaki, Yasuaki Niizuma   +10 more
wiley   +1 more source

Suckling Behavior and Its Development in Two Yangtze Finless Porpoise Calves in Captivity

, 2012
We focally observed the suckling behavior of two Yangtze finless porpoise calves, C05 and C07, in captivity. Between 15 and 730 days postpartum of C05 and between birth and 30 days postpartum of C07, 286.3 (1.9 +/- 0.4 hr/day (mean +/- standard deviation)
Wang, D (reprint author), 7th S Donghu Rd, Wuhan 430072, Peoples R China., Xian, Yijie, Xiao, Jianqiang, Wang, Ding, Wang, Kexiong   +4 more
core   +1 more source

Mating, Sociosexual, and Nursing Behavior of Wild East Asian Finless Porpoises in the Seto Inland Sea, Japan

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT The mating and sociosexual (nonconceptive) behaviors of narrow‐ridged finless porpoises (Neophocaena asiaeorientalis) have been extensively studied in captivity. However, such behaviors may differ significantly from those that have developed in wild populations. Drone videos captured the behaviors of wild finless porpoises including a total of
Manuel Eduardo L. de la Paz, Hajime Sato, Takumi Oyama, Angelo Macario, Yoichi Sakai   +4 more
wiley   +1 more source

Genetic Diversity and Inter‐Specific Phylogeny of Three Sympatric Cetacean Species (Stenella spp.) in Thai Territorial Waters Based on Mitochondrial and Nuclear DNA Markers

Ecology and Evolution, Volume 15, Issue 10, October 2025.
This study investigated the genetic diversity, population structure, and hybridization among three Stenella dolphin species (S. longirostris, S. attenuata, S. coeruleoalba) in Thailand's Andaman Sea using microsatellite loci and mitochondrial DNA from 113 stranded specimens.
Promporn Piboon, Janine L. Brown, Patcharaporn Kaewmong, Kongkiat Kittiwattanawong, Sarisa Klinhom, Toshiaki Yamamoto, Korakot Nganvongpanit   +6 more
wiley   +1 more source

Development and characterization of polymorphic microsatellite loci in the endangered Yangtze finless porpoise (Neophocaena phocaenoides asiaeorientalis)

, 2008
The finless porpoise (Neophocaena phocaenoides) is one of the smallest cetacean species widely distributed in the shallow coastal waters of the Indo-Pacific Oceans. The population size of the Yangtze subspecies (N. p.
Liao, X. L., Tong, J. G., Wang, D., Du, H. J., Wang, D, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China, Milinkovitch, M. C., Zheng, J. S.   +6 more
core   +1 more source

Shifts in Fish Assemblages and Yangtze Finless Porpoise (Neophocaena asiaeorientalis) Prey Selection in Poyang Lake During the Early Phase of the Decadal Fishing Moratorium

Diversity
Yangtze finless porpoise (Neophocaena asiaeorientalis) is the only extant cetacean species in the Yangtze River, a national first-class protected wild animal in China, and a key indicator reflecting the health status of the Yangtze River ecosystem ...
Yun Zhang, Heng Yin, Fangning Liu, Lingxia Wei, Jiaqiao Weng, Wenzhi Ma, Legen Peng, Yi Huang, Jialing Min, Rongcheng Rao, Ying Yang, Jinxiang Yu, Jianglong Que   +12 more
doaj   +1 more source

A Passive Environmental DNA Sampler for Aquatic Biodiversity Detection Tested in Marine Mesocosms

Environmental DNA, Volume 7, Issue 5, September–October 2025.
ABSTRACT In aquatic ecosystems, environmental DNA (eDNA) can be collected from water samples to produce species inventories. One method for this is passive eDNA sampling, whose development for aquatic biodiversity monitoring is in its early stages. While several materials have been successfully tested for passive eDNA samplers (PEDS), methodological ...
Dimitri Medetian, Alexia Delnatte, Julien Cambedouzou, Philippe Clair, David Cornu, Yvan Duhamel, Gilbert Dutto, Mikhael Bechelany, Thibault Geoffroy, Jean‐Luc Rolland, Claude Miaud   +10 more
wiley   +1 more source

Regression analysis of HU vs. sound velocity and density for the finless porpoise forehead tissues.

, 2015
(A) Regression analysis of HU vs. sound velocity for the finless porpoise forehead tissues. (B) Regression analysis of HU vs. density for the finless porpoise forehead tissues.
Zhongchang Song (719628), Ding Wang (191462), Yu Zhang (12946), Kexiong Wang (191466), Chong Wei (498649), Zhitao Wang (563389), Whitlow W. L. Au (359535)   +6 more
core   +1 more source

Effects of bycatch on the population viability of the narrow-ridged finless porpoises in Ariake Sound and Tachibana Bay, Japan

Endangered Species Research, 2015
The narrow-ridged finless porpoise Neophocaena asiaeorientalis is a coastal cetacean that is threatened by various human activities. Bycatch mortality is a particular danger to the porpoise population in Ariake Sound and Tachibana Bay, Japan. To evaluate
M Hashimoto, K Shirakihara, M Shirakihara   +2 more
doaj   +1 more source

Occurrence and trophic magnification profile of triphenyltin compounds in marine mammals and their corresponding food webs

Environment International, 2020
The occurrence of triphenyltin (TPT) compounds, a highly toxic antifouling biocide, has been documented in marine environments and organisms all over the world.
Ronia Chung-tin Sham, Lily Shi Ru Tao, Yanny King Yan Mak, Jason Kin Chung Yau, Tak Cheung Wai, Kevin King Yan Ho, Guang-Jie Zhou, Yongyu Li, Xinhong Wang, Kenneth Mei Yee Leung   +9 more
doaj   +1 more source