The structure of the pharynx is also closely linked to feeding habits of fish. As indicated, the number and structure of Gill rakers may be very different — from a few small hard bumps predatory fish to a complex network of frequent rakers in silver carp — Hypophthalmichthys molitrix (Val.), litumelo planktonic algae. The mullets — Mugili – dae — muscular throat adapted for crushing lisovogo clump, consisting of detritus and vegetation. Some fish developed teeth on the pharyngeal bones. Some they are on top – and ninepatch bones, as, for example, wrasses — Labridae, or only ninepatch, as, for example, cyprinids — Cyprinidae.
Haeckel (1843) divides nizhnelomovskie teeth of cyprinid by the nature of the structure related to their function into four types:
1) hollowed — excavati, a type of Longhorn beetle,
2) chewing — mastic torii, a type of carp, Continue reading
Many aquarists aquarium catfish love for these small fish belonging to the order of catfishes of ray-finned class, not only pleasing to the eye with their cute whiskered faces, brightness and variety of colors, but these are cleaners, nurses aquariums, cleaning aquarium from the rest of the feed and its walls – from the slime, algae and other fouling.
To describe in one article all
this wonderful fish is impossible: collective term “soma” refers to over 3000 species from 36 families, of which more than 800 kept in aquariums across the world. So in this article we will cover the most common ones.
The most popular, classic type of aquarium catfish is mottled corydoras (Corydoras paleatus), which belongs to the family of armored catfishes. As this and other tetras hiding peace loving, unpretentious, active and not grow to a large size. Feed these amazing fish food left over from other fish, and live well with other species. Continue reading
Fishing giant fish — fishing threat. Huge swamp of matter, speed devil hulks, giant predators of the deep — the most interesting specimens to study science, people and just the extreme. In the depths you can find a huge, strong and even prehistoric predators. You can find such representatives, which are not known to the slightest fact. A real opportunity to explore predatory fish is available to us through the aquarium. Surprising is the fact that they are huge in size, each time increases more and more.
The most dangerous and worst are dangerous and a threat to the entire underwater world. But most often such giants as fish — Marlin the most desirable prey for any athlete angler. Catching Marlin and try to get him out, the fish starts to jump, as a result, she spends almost all its energy. Taking advantage of this moment, the fishers set on the fish label. Tags similar GPS Navigator: provides complete information on location of fish, water temperature, depth. Such labels help scientists obtain information about the depths of the seabed, biological balance, life and survival of fish. Continue reading