Description
Mugger crocodiles have 19 upper teeth on each side; a snout that is 1⅓ to 1½ as long as broad at the base; a rough head but without any ridges; mandibular symphysis extending to the level of the fourth or fifth tooth; pre-maxillo-maxillary suture, on the palate, transverse, nearly straight, or curved forwards; and nasal bones separating the pnemaxillaries above. Four large nuchals forming a square, with a smaller one on each side; two pairs of smaller nuchals on a transverse series behind the occiput. Dorsal shield well separated from the nuchal, the scutes usually in 4, rarely in 6, longitudinal series, those of the two median usually considerably broader than long; 16 or 17 transverse series. Scales on limbs keeled. Fingers webbed at the base; outer toes extensively webbed. A serrated fringe on the outer edge of the leg. Adult blackish olive above: young pale olive, dotted and spotted with black. The largest specimen in the British Museum measures 3.7 m (12 ft), but individuals are said to grow much larger. On average, females are 2.45 m (8.0 ft) in length and males are 3.05 m (10.0 ft). Weight in adults is variable, since a large male can be much more heavily built than a small adult female, and can range commonly from 40 to 200 kg (88 to 440 lb). Old, mature males can get much larger, at up 4–5 m (13–16 ft) and a weight of more than 450 kg (1000 lbs). Although individuals exceeding 4.3 m (14 ft) are exceptionally rare, the largest Mugger on record measured a huge 5.2 m (17 ft) in length. Mugger crocodiles can achieve speed of around 8 mph over a short distance in pursuit of prey.They can swim much faster 10 to 12 mph in short bursts,when cruising they go at about 1 to 2 mph.
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