Rarest Species of Crocodile, Alligator, Caiman, or Gharial — All 29 Answers Ranked by Rarity

29 crocodile, alligator, caiman, or gharial species are accepted answers for “Name a species of crocodile, alligator, caiman, or gharial”. Mourasuchus pattersoni is the rarest species of crocodile, alligator, caiman, or gharial in this ranking, with 53 monthly Wikipedia views (rarity 1.000, Legendary). Dadagavialis gunai is the second-rarest with 105 monthly Wikipedia views, 1.98× the figure for Mourasuchus pattersoni. Saltwater crocodile is the most common species of crocodile, alligator, caiman, or gharial in this ranking, with 579,111 monthly Wikipedia views, 10,927× the figure for the rarest. Combined monthly Wikipedia views across the 29 answers: 2,858,998. Mourasuchus pattersoni is under 0.1% of that total. 6 answers are Epic or Legendary: Mourasuchus pattersoni (Legendary), Dadagavialis gunai (Legendary), Caiman australis (Epic), and 3 more.

Quick answer

Monthly English Wikipedia pageviews. Source: Wikidata + Wikipedia pageviews (2026-10).

Ranked answers

29 answers to “Name a species of crocodile, alligator, caiman, or gharial”, rarest first. A rarity of 1 is the rarest answer in this prompt.
Rank	Answer	Tier	Rarity	Monthly Wikipedia views
1	Mourasuchus pattersoni on Wikipedia	Legendary	1.000	53
2	Dadagavialis gunai on Wikipedia	Legendary	0.964	105
3	Caiman australis on Wikipedia	Epic	0.929	613
4	Crocodylus raninus on Wikipedia	Epic	0.893	6,633
5	Central African slender-snouted crocodile on Wikipedia	Epic	0.857	7,192
6	Osteolaemus osborni on Wikipedia	Epic	0.821	7,233
7	Crocodylus halli on Wikipedia	Rare	0.786	11,840
8	West African slender-snouted crocodile on Wikipedia	Rare	0.750	15,745
9	Broad-snouted caiman on Wikipedia	Rare	0.714	18,234
10	New Guinea crocodile on Wikipedia	Rare	0.679	20,632
11	Dwarf crocodile on Wikipedia	Rare	0.643	34,964
12	Yacare caiman on Wikipedia	Rare	0.607	39,150
13	Philippine crocodile on Wikipedia	Uncommon	0.571	40,026
14	Morelet's crocodile on Wikipedia	Uncommon	0.536	46,582
15	Siamese crocodile on Wikipedia	Uncommon	0.500	50,254
16	West African crocodile on Wikipedia	Uncommon	0.464	52,251
17	Cuban crocodile on Wikipedia	Uncommon	0.429	54,462
18	Freshwater crocodile on Wikipedia	Familiar	0.393	59,327
19	Spectacled caiman on Wikipedia	Familiar	0.357	62,610
20	Orinoco crocodile on Wikipedia	Familiar	0.321	63,917
21	False gharial on Wikipedia	Familiar	0.286	74,008
22	Chinese alligator on Wikipedia	Familiar	0.250	123,419
23	Black caiman on Wikipedia	Familiar	0.214	129,391
24	Mugger crocodile on Wikipedia	Common	0.179	138,402
25	American crocodile on Wikipedia	Common	0.143	265,426
26	American alligator on Wikipedia	Common	0.107	311,112
27	Gharial on Wikipedia	Common	0.071	314,933
28	Nile crocodile on Wikipedia	Common	0.036	331,373
29	Saltwater crocodile on Wikipedia	Common	0.000	579,111

FAQ

What is the rarest species of crocodile, alligator, caiman, or gharial?

Mourasuchus pattersoni is the rarest species of crocodile, alligator, caiman, or gharial in this ranking, with 53 monthly Wikipedia views (rarity 1.000, Legendary).

How many species of crocodile, alligator, caiman, or gharial are there?

There are 29 species of crocodile, alligator, caiman, or gharial in this ranking, from Mourasuchus pattersoni (rarest) to Saltwater crocodile (most common).

What is the most common species of crocodile, alligator, caiman, or gharial?

Saltwater crocodile is the most common species of crocodile, alligator, caiman, or gharial in this ranking, with 579,111 monthly Wikipedia views (Common).

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Sources

Recorded source: Wikidata + Wikipedia pageviews (2026-10). The answer list is compiled from Wikidata (CC0), and the view counts are monthly English Wikipedia pageviews. Rarity is the percentile of the popularity figure inside this prompt: 1 is the rarest and 0 is the most common. Linked names open the English Wikipedia article stored on that answer.