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[Original] The popular science knowledge of fish-eating crocodiles, come and get it!

2022-01-26 / 379 Read

The fish-eating crocodile, also known as the Ganges crocodile and the gator, is a crocodile species in the genus Ganga of the family Gatoridae. Are there many friends who don't know much about them? So, let me lead you to understand it together!

Science

I. Basic information

Chinese name: fish-eating crocodile 

Latin name: Gavialis gangeticus 

Kingdom: animal Kingdom

Department: Chordate 

Subphylum: Vertebrate subphylum 

Class: Reptile 

Subclass: Biporia 

Order: Crocodile 

Family|: Alligator 

Genus: Ganga crocodile

Species: Ganges crocodile

II. Appearance characteristics

The body length of male fish-eating crocodiles is about 5-6 meters , the body weight is about 159-250 kg; the body length of the female fish-eating crocodile is about 3.5-4.5 meters, and the weight is about 100-130 kg; the body length of the newly born fish-eating crocodile is about 37 cm.

The body of the fish-eating crocodile is olive green, with a broad and heavy snout, a particularly slender upper and lower palate, and sharp teeth. It has 106-110 sharp teeth, including 5 in the upper jaw, 23-24 in the upper jaw, and 25-26 in the lower jaw.

Three. Habitat

The fish-eating crocodile usually inhabits the Ganges, Indus, Maharadi, and Brahmaputra In rivers with fast currents and good water quality.

4. Feeding habits

The juvenile crocodile mainly feeds on larvae, frogs and insects; the adult crocodile mainly eats Will feed on fish.

V. Breeding method

The fish-eating crocodile will mate in February every year and lay eggs in March-April; the female fish-eating crocodile will mate every year It can lay 30-50 eggs; each egg weighs 160 grams, is 5.5 cm wide and 8.6 cm long, and the incubation period is about 71-93 days.

VI. Ethnic Status

In 1927, the only two Ganges crocodiles in Myanmar died, and it has been confirmed that the Ganges crocodiles were regionally extinct in Myanmar;

In 1976, the total number of wild adult Gangetic crocodiles dropped to 5,000-10,000;

In 1983, Ganga crocodiles may become extinct in Pakistan;

1985 , the crocodile may become extinct in Bangladesh;

In 1991, the crocodile may become extinct in Bhutan;

In 2006, the number of adult crocodiles in India did not exceed 200.

Protection level:

1, IUCN Red List: Critically Endangered;

2, CITES Appendix I;

3. CMS Appendix I.

All right! The above is all the information about the fish-eating crocodile~ Friends who like fish-eating crocodiles can bookmark this article~