Wednesday, July 14, 2010

Sticklebacks are noted for their reproductive behaviour. Breeding usually takes place in spring, at.... stickleback (

When the nest is full, the male becomes its guard and caretaker, aerating the eggs until they hatch and aggressively defending eggs and young from intruders. Several stickleback species are familiar and abundant fishes. The nine-spined stickleback ( Pungitius pungitius ), also small but with more dorsal spines, is another widely distributed form. Other species include the brook stickleback ( Culaea inconstans ) of North American freshwaters; the four-spined stickleback ( Apeltes quadra cus ), also North American but primarily marine; and the sea, or 15-spined, stickleback ( Spinachia spinachia ), a slim, many-spined fish of European coasts. stickleback (

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