Потом он загоняет в гнездо самок, которые откладывают икру, а самец остаётся охранять икру и молодь.
Позвоночник рыб состоит из отдельных, несращённых позвонков. Позвонки рыб амфицельные (то есть обе их торцевые поверхности вогнутые), между позвонками находится хрящевая прослойка; невральные дуги, расположенные сверху над телами позвонков, формируют позвоночный канал, защищающий спинной мозг. Позвоночник делится на два отдела: туловищный и хвостовой. От позвонков туловища в стороны отходят рёберные отростки, к которым крепятся рёбра.
The commonest form of fish mouth may be the terminal mouth, that's positioned for the front of the head and which details forwards. Fish with terminal mouths might be carnivores that prey on other fish, or omnivores, able to feeding on foods through the floor or from the bottom.
تظل المنتجات لسنوات عديدة على مستوى عال، مع الاستفادة من الطلب، وتباع بسعر معقول.
تم اختبار كل خط إنتاج مرارًا وتكرارا من خلال العديد من الاختبارات المعملية.
Like all sharks, the shortfin mako's gills open directly to the water. The gills of bony fish are secured by a bony cover named an operculum.
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Многие виды рыб изменяют тип питания на протяжении жизни: например, в молодом возрасте питаются планктоном, а позже — рыбами или крупными беспозвоночными.
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There are all-around 530 species of sharks. A shark’s skin is roofed with placoid scales, that happen to be similar to tooth of their construction; 1 could Practically say that a shark’s pores and skin is roofed in enamel. These scales offer security as well as lessen drag and decreases the sound produced as the shark swims.
The song throws absent the old premise of angelhood. None of us are angels. We're all going to interrupt someone else’s heart or harm Yet another man or woman. Musically, there was a minimalist technique. In that chilly vacant put, something else occurred.