Ecology

Habitat

Depth range based on 26 specimens in 3 taxa.
Water temperature and chemistry ranges based on 11 samples.

Environmental ranges
  Depth range (m): 0 - 0
  Temperature range (°C): 2.814 - 14.753
  Nitrate (umol/L): 5.959 - 24.558
  Salinity (PPS): 33.925 - 34.816
  Oxygen (ml/l): 5.834 - 7.355
  Phosphate (umol/l): 0.528 - 1.739
  Silicate (umol/l): 2.621 - 18.358

Graphical representation

Temperature range (°C): 2.814 - 14.753

Nitrate (umol/L): 5.959 - 24.558

Salinity (PPS): 33.925 - 34.816

Oxygen (ml/l): 5.834 - 7.355

Phosphate (umol/l): 0.528 - 1.739

Silicate (umol/l): 2.621 - 18.358
 
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:4
Specimens with Sequences:6
Specimens with Barcodes:2
Species:2
Species With Barcodes:1
Public Records:2
Public Species:1
Public BINs:1
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Cephalorhynchus

For the daisy-like plant genus, see Cephalorrhynchus.

Cephalorhynchus is a genus in the dolphin family Delphinidae. It consists of four species:

The species have similar physical features — they are small, generally playful, blunt-nosed dolphins — but they are found in distinct geographical locations.

A phylogenetic analysis by May-Collado & Agnarsson 2006 indicated the two species traditionally assigned to the genus Lagenorhynchus, the hourglass dolphin L. cruciger and Peale's dolphin L. australis are actually phylogenetically nested among the species of Cephalorhynchus, and they suggest these two species should be transferred to the genus Cephalorhynchus. Some acoustic and morphological data support this arrangement, at least with respect to Peale's dolphin.

According to Schevill & Watkins 1971, Peale's dolphin and the Cephalorhynchus species are the only dolphins that do not whistle (no acoustic data are available for the hourglass dolphin). Peale's dolphin also shares with several Cephalorhynchus species the possession of a distinct white "armpit" marking behind the pectoral fin.

References[edit]

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