Posted by admin | 11.19.2014 | Marine Science
Common name: Loggerhead turtle
Scientific name: Loggerhead turtle Caretta caretta
Distribution: Tropical waters worldwide
Nests on: Temperate, sometimes subtropical and tropical waters.
Beach type: Extensive mainland beaches or barrier islands.Not known to nest in India, but does nest in Sri Lanka.
Weight (adult): 200 kg
Carapace length: 80 – 100 cm
Carapace shape: Moderately broad, lightly serrated posterior margin in immatures, thickened area of carapace at base of 5th vertebral in adults.
Colouration: Generally unmarked reddish brown in subadults and adults.
Costal scutes: 5 pairs
Head shape: Large and broadly triangular
Prefrontal scales: 2 pairs
Limbs: Two claws on each flipper
Plastron: Yellow to orange
Other features: Vertebrals (centrals) narrow, so that first costal contacts nuchal scute.
Time of nesting: Night
Clutches per season: 3 – 5
Clutch size: 100 – 120
Egg size: ~ 4 cm in diameter
Re-nesting interval: 12 – 16 days
Re-migration interval: 2 – 3 years
Track: 70 – 90 cm wide, moderately deep, with asymmetrical diagonal marks made by forelimbs, tail drag mark usually absent.