Environmental DNASubmarine canyons are globally recognized as biodiversity hotspots, yet logistical challenges in accessing deep‐sea environments hinder comprehensive surveys of their biota.
Georgia M. Nester +7 more
doaj +2 more sources
Higher neuron densities in the cerebral cortex and larger cerebellums may limit dive times of delphinids compared to deep-diving toothed whales. [PDF]
PLoS ONE, 2019 Since the work of Tower in the 1950s, we have come to expect lower neuron density in the cerebral cortex of larger brains. We studied dolphin brains varying from 783 to 6215g. As expected, average neuron density in four areas of cortex decreased from the
Sam H Ridgway +3 more
doaj +2 more sources
Convergent evolution in toothed whale cochleae [PDF]
BMC Evolutionary Biology, 2019 Background Odontocetes (toothed whales) are the most species-rich marine mammal lineage. The catalyst for their evolutionary success is echolocation - a form of biological sonar that uses high-frequency sound, produced in the forehead and ultimately ...
Travis Park +4 more
doaj +2 more sources
First records of the pygmy sperm whale, Kogia breviceps, in Scotland
, 2012 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Kitchener, Andrew C +3 more
openaire +2 more sources
Microbial diversity and structure in the gastrointestinal tracts of two stranded short‐finned pilot whales (Globicephala macrorhynchus) and a pygmy sperm whale (Kogia breviceps) [PDF]
Integrative Zoology, 2021 Peijun Zhang, Mingli Lin, Wenzhi Lin
exaly +2 more sources
Histochemical indications for a chemically complex signal produced by the cervical gill slit gland of the pygmy sperm whale (Kogia breviceps). [PDF]
Anat Rec (Hoboken)Abstract The pygmy sperm whale (Kogia breviceps) possesses an exocrine gland associated with its false gill slit pigmentation pattern. The cervical gill slit gland is a compound tubuloalveolar gland that produces a holocrine secretion and displays maturational changes in size and secretory histology. While the morphology of the cervical gill slit gland
Keenan TF +13 more
europepmc +2 more sources
New records of parasitic copepod (Crustacea, Siphonostomatoida, Pennellidae) found on the body surface of two cetacean species in China [PDF]
Biodiversity Data Journal, 2023 Pennella balaenoptera Koren & Danielssen, 1877 (Crustacea, Siphonostomatoida, Pennellidae) is so far known as the largest copepod species and has only been found as a parasite on marine mammals.
Qianhui Zeng, Yejie Lin
doaj +3 more sources
Navigating Cetacean Mitochondrial Genome Data: Identifying Coverage and Deficiencies in Public Repositories. [PDF]
Mol Ecol ResourABSTRACT Genetic reference databases underpin a wide range of molecular approaches used to study cetacean biodiversity, including environmental DNA (eDNA), yet their reliability depends critically on data completeness, taxonomic accuracy, and metadata quality.
Afonso L +12 more
europepmc +2 more sources
Stranding of a Pygmy Sperm Whale, Kogia breviceps, in the Northern Gulf of St. Lawrence, Canada
, 2004 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Measures, Lena N. +2 more
openaire +4 more sources
Audiograms and click spectra of seven novel and seldom-tested odontocetes
Frontiers in Marine Science, 2022 The use of auditory evoked potentials has been promoted as a means by which to collect audiometric information from odontocete cetaceans that are rarely encountered in stranding situations.
Dorian S. Houser +4 more
doaj +1 more source