Hydrolagus colliei . It is commonly called chimaera, spotted ratfish , water rabbit , or snub-nosed chimaera .
Summary
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- 1 Features
- 2 He lives
- 3 Playback
- 4 Food
- 5 Geographic distribution
- 6 Fountains
Features
It receives the name of spotted ratfish because of its elongated tail with undulating movements. It has a spine on the first dorsal fin which is toxic, the second dorsal fin is elongated, the caudal in a horizontal position, they do not have an anal fin. Its snout is short and rounded. They measure over a meter in length, although the average can range around 63 cm, it varies depending on the geographical area where Hydrolagus colliei lives. It has a brownish to reddish color stamped with white spots.
Habitat
It inhabits marine waters in described depth ranges of up to about 900 m, although the normal range is 50 to 400 m. They are group fish when they develop their juvenile stage, but their populations are segregated by size and sex , they can also perform vertical migrations. They like to frequent soft bottoms, also rocky reef areas.
Reproduction
Reproduction is oviparous, the female lays her eggs in pairs from time to time, the first few days they hang from her abdomen through a kind of filamentary thread, later they fall on the substratum of the seabed. The maximum annual number of eggs is about 29. Hatching occurs over the course of a year.
The reproductive period includes from spring to the arrival of the autumn season. Sexual maturity is variable depending on the geographical area where Hydrolagus colliei is distributed.
Feeding
Its main food source is invertebrates such as molluscs, echinoderms, crustaceans, Hydrolagus colliei is also a fish consumer.
Geographical distribution
The distribution range of the species Hydrolagus colliei is exclusive to the northeastern Pacific, specifically it extends from western Canada, the United States, Mexico and to Costa Rica.