Physeter macrocephalus | Red List of Bangladesh Volume 2: Mammals

Taxa
Physeter macrocephalus | Linnaeus, 1758
NRL Record ID
327626
Location
Countries in Assessment
Bangladesh
Country ISO code(s)
BGD
Does the assessment cover a marine EEZ area(s)?
Off
Scope (Assessment)
National
Taxon
RRL Synonyms
Physeter catodon Linnaeus, 1758
Taxonomic Group
Vertebrates
Taxonomic Group Level 2
Mammals
Assessed taxon level
Species
Taxonomic Notes
In the original description Physeter macrocephalus and Physeter catodon, both names are used by Linnaeus (1758) on the same page and no priority is given. However, P. macrocephalus is seen to use more frequently than P. catodon.
Taxon distribution as listed in assessment
It is generally found in continental slope or deeper water, but can be found in almost all marine waters from the equator to high latitudes (Taylor et al. 2008). Bangladesh: Not known.
Habitats and Ecology
Ecological system type
Terrestrial system
No
Freshwater system
No
Marine system
No
Habitat
Habitat details as listed in assessment
It inhabits in deep offshore waters. It prefers deep waters with high sea floor relief. Spends 72% time in foraging dive cycles. Dive duration is 45 minutes and forage up to 1km depth (Rice 1989).
Is there a map available in assessment?
Yes, in the publication/on website
Assessed status
Asessment status in full
Data Deficient
Assessment status abreviation
DD
Assessment rationale/justification
There is no record of Sperm Whale occurrence in Bangladesh except one carcass that was found in 22 November, 2007 at the Selarchar of Sundarbans East Wildlife Sanctuary in the southern coast of Bangladesh (The Daily Purbanchal, 28 November 2007 and The Daily Star, 30 November 2007) that was brought ashore by the tidal surge Sidr that badly impacted Bangladesh western coast. No more information is available to assess this species. Thus it is categorized as Data Deficient.
About the assessment
Assessment year
2015
Assessors/contributors/reviewers listed
Md. Zahangir Alom
Affliation of assessor(s)/contributors/reviewers listed on assessment
NGO
Academic
Assessor affiliation specific
Academic|NGO
Criteria system
Criteria system specifics
IUCN v3.1 + Regional Guidelines v4.0
Criteria system used
IUCN
Criteria Citation
IUCN (2012) IUCN Red List Categories and Criteria: Version 3.1. Second edition. Gland, Switzerland and Cambridge, UK: IUCN. iv + 32pp; IUCN (2012) Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Endemism
Endemic to region
No
Endemism Notes
Is an endemic?: No
Conservation
Conservation Measures

Conservation measures:
Conservation measures notes:
Required conservation measures:

Further information
History
Not assessed (IUCN Bangladesh 2000).
Scientific Name Kingdom Phylum Class Order Family Genus
Physeter macrocephalus Animalia Chordata Mammalia Cetartiodactyla Physeteridae Physeter