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ROUGH
TOOTED DOLPHIN |
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SCIENTIFIC
NAME
- Steno from the greek stenos "lenghtened",
bredanensis in onor of the studious Van Breda.
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FAMILY
- Delphinidae
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| DIMENSIONS
- Maximum Length 2.8 mt, maximum weight 150 Kg. |
| ASPECT
- Thin body, melon escaping, joined with continuity to the long and thin rostrum
(without the furrow that marks others
dolphins), high and arcuated dorsal fin, long pectoral fins. |
| SKIN
and COLORATION - Back dark gray with caparison clear gray, clearer
flanks with dark spots, ventre more spotted luminosity and, often
and white the contour mouth. |
| LONGEVITY
- Some studious think until
30 years.
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| REPRODUCTION
- Lack studies of the reproductive season and the gestation. At the birth puppy measure approximately 80
cm. |
| TEETH
- Conical small, of grayish color. |
| BREATH
- Little visible. |
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SOUNDS
- Three types of emissions:
1°
click, used emissions of short duration for the biosonar.
2° it
hisses modulated.
3° sounds to impulses.
The emissions of which to
number 2 and 3 they constitute the dictionary of the rough tooted, used in
order to communicate.
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| FEEDING
- The diet of the rought tooted Dolphin is a lot mostly
composed from pelagic fish but also from cefalopod (Vd.
Feeding). |
| HABITAT
- Pelagic cetacean loves mostly tropical waters. |
| SWIM
- It's an
agile cetacean, knows to be very fast. |
| JUMPS
- They are equipped
of good agility in the jumps. |
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MIGRATIONS
- Studies Lack to care.
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SOCIALITY
- Studies Lack to care but is known that individuals form
groups in average of 10-20 but sometimes exist more numerous groups
(50-500 individuals), is famous even if as said little studied the
strong social tie. Often it cohabits with other cetaceans
(es.Bottlenose dolphin).
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TEMPERAMENT
- Intelligent and has optimal learning abilities
, often lets himself being transported from the bow wave of the boats.
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DANGER
and PREDATORY
- The great sharks can attack therefore like
the killer whale, victim also of pelagic-net and the pollution.
Sometimes subject to individual beaching but the collectives
are rarest.
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SPECIES
DIFFUSION
- Do not exist esteem, probably the cetacean is not a lot abundant in the world. In
the Mediterranean present occasionally with prevalence to the south
(it loves the warmer waters).
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