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Marine Mammals Information Database ：Illustrated Guide of Marine Mammals
Hourglass dolphin
Scientific Name : Lagenorhynchus cruciger / Japanese Name : dandarakama-iruka
Details
| Order | Cetartiodactyla |
|---|---|
| Suborder | Odontoceti |
| Family | Delphinidae |
| Genus | Lagenorhynchus |
| Species | cruciger |
| Subspecies | - |
| Subtype | - |
| CITES Appendix | II | IUCN RedData Status | Least Concern |
|---|---|---|---|
| Baleen plates or tooth-Upper jaw | - | Baleen plates or tooth-Lower jaw | - |
| At birth | At weaning | Adult | Adult male | Adult female | |
|---|---|---|---|---|---|
| Body length | - | - | - | - | - |
| Body weight | - | - | - | - | - |
| Feature and Habit |
|---|
| The hourglass dolphins distributed in a circumpolar pattern in the higher latitudes of the southern oceans. They are the smallest species among the Genus Lagenorhynchus. Hourglass dolphins are strikingly marked; black above and white below. White markings resemble an hourglasss in shape and give the dolphin its common name. Adult males have markedly curved dorsal fin, which indicates they are sexually matured. The maximum lengths and weights so far recorded were 190cm and 94kg (males), and 180cm and 88kg (females). Males are usually smaller than females in size. Groups of 1-8 are common. |
| Description |
| Stranding Record(s) in Japan |
| No records exist. Map ▼ |
Marine Mammals Skull Database
A click on the skull thumb nail will bring you to detailed images.
| Sex | - | Reproductive Condition | - |
|---|---|---|---|
| Body length | - | Locality | - |
| Museum No. | - | Other No. | - |
