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Largest crocodiles and alligators – Top 10

The largest crocodiles, alligators, caimans – Top 10

Millions of years ago huge reptiles ruled our planet. The ancestors of modern reptiles were enormous. Currently, the largest living reptiles are crocodiles and their cousins – alligators, caimans and gavials. In the past, the ancestors of crocodiles were bigger, this was due to the size of their victims. Because today there is no longer such a large land animals as in the past, crocodiles “somewhat” have shrunk. Although currently living crocodiles are not as great as their relatives from millions of years, the largest among them are still huge and scary.

Below is a list of the longest and heaviest crocodiles.

gharial (Gavialis gangeticus)
Gharial (Gavialis gangeticus).

Top 10 longest and heaviest crocodiles

10. Slender-snouted crocodile – 325 kg (717 lb) / 4 m (13 ft)

African slender-snouted crocodile (Mecistops cataphractus)
  • Average mass: 125–230 kg (276–507 lb)
  • Maximum mass: 325 kg (717 lb)
  • Length: 3 to 4 m (9.8 to 13.1 ft)
Nile crocodile (Crocodylus niloticus)
Nile crocodile (Crocodylus niloticus).

9. False gharial – 500 kg (1,102 lb) / 5 m (16.4 ft)

False gharial (Tomistoma schlegelii)
  • Average mass: 150 to 250 kg (331 to 551 lb)
  • Maximum mass: 500 kg (1,102 lb)
  • Length: 3.6 to 3.9 m (12 to 13 ft) / max. 5 m (16.4 ft)
American alligator (Alligator mississippiensis)
American alligator (Alligator mississippiensis).

8. Mugger crocodile – 500 kg (1,100 lb) / 5.2 m (17.1 ft)

Mugger crocodile (Crocodylus palustris)
  • Average mass: 200 to 250 kg (440 to 550 lb)
  • Maximum mass: 500 kg (1,100 lb)
  • Length: 4 to 4.5 m (13.1-14.8 ft) / Max. 5.2 m (17.1 ft)
saltwater crocodile (Crocodylus porosus)
Saltwater crocodile (Crocodylus porosus).

7. American alligator – 1,000 kg (2,200 lb) / 6 m (20 ft)

American alligator (Alligator mississippiensis)
  • Average mass: 240 kg (530 lb)
  • Maximum mass: 1,000 kg (2,200 lb)
  • Length:  3.4 to 4.6 m (11 to 15 ft) / Max. 6 m (20 ft)
Nile crocodile (Crocodylus niloticus)
Nile crocodile (Crocodylus niloticus).

6. Gharial – 977 kg (2,154 lb) / 6.25 m (20.5 ft)

Gharial (Gavialis gangeticus)
  • Average mass: 160 to 250 kg (352 to 551 lb)
  • Maximum mass: 977 kg (2,154 lb)
  • Length: 3 to 5 m (9.8 to 16.4 ft) / Max 6.25 m (20.5 ft)
American alligator (Alligator mississippiensis)
American alligator (Alligator mississippiensis).

5. American crocodile – 1,000 kg (2,200 lb) / 6.6 m (22 ft)

American crocodile (Crocodylus acutus)
  • Average mass: 382 kg (842 lb
  • Maximum mass: 1,000 kg (2,200 lb)
  • Length: 4.3 m (14 ft) / Max. 6.6 m (22 ft) 
Black caiman (Melanosuchus niger)
Black caiman (Melanosuchus niger).

4. Black caiman – 1,100 kg (2,400 lb) / over 6 m (20 ft)

Black caiman (Melanosuchus niger)
  • Average mass: 350 kg (770 lb)
  • Maximum mass: 1,100 kg (2,425 lb)
  • Length: 4 to 5 metres (13–16 ft) / Max. – over 6 m (20 ft)
saltwater crocodile (Crocodylus porosus)
Saltwater crocodile (Crocodylus porosus).

3. Orinoco crocodile – 1,100 kg (2,400 lb) / 6.6 m (22 ft)

Orinoco crocodile (Crocodylus intermedius)
  • Average mass: 380 kg (840 lb)
  • Maximum mass: 1,100 kg (2,400 lb)
  • Length: 4.1 m (13.5 ft) / Max. 6.6 m (22 ft)
Nile crocodile (Crocodylus niloticus)
Nile crocodile (Crocodylus niloticus).

2. Nile crocodile – 1,090 kg (2400 lb) / 6.45 m (21.1 ft)

Nile crocodile (Crocodylus niloticus)
  • Average mass: 410 kg (904 lb)
  • Maximum mass: 1,090 kg (2400 lb)
  • Length: 4.2 m (13.8 ft) / Max. 6.45 m (21.1 ft)
American alligator (Alligator mississippiensis)
American alligator (Alligator mississippiensis).

The largest (longest and heaviest) crocodile:

1. Saltwater crocodile – 2,000 kg (4,400 lb) / 7.1 m (23.3 ft)

Saltwater crocodile (Crocodylus porosus)
  • Average mass: 450 kg (990 lb)
  • Maximum mass: 2,000 kg (4,400 lb)
  • Length: 4.5 m (14.8 ft) / Max. 7.1 m (23.3 ft)
saltwater crocodile (Crocodylus porosus)
Saltwater crocodile (Crocodylus porosus) – the largest (longest and heaviest) crocodile.

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3 thoughts on “Largest crocodiles and alligators – Top 10”

  1. Gostaria de saber por gentileza, que fontes foram usadas para apresentar um peso de 1.100 kg para um Melanosuchus niger. Nunca ouvi ou li isso.

    1. You can find such information about maximum weight of Melanosuchus niger in Wikipedia for instance.

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