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Stickleback next to extracted Schistocephalus solidus plerocercoids. The three-spined stickleback is a secondary intermediate host for the hermaphroditic parasite Schistocephalus solidus, a tapeworm of fish and fish-eating birds. The tapeworm passes into sticklebacks through its first intermediate hosts, cyclopoid copepods, when these are eaten ...
Prevalence — the proportion of host population infected — in naturally infected populations of the first intermediate hosts is likely low. [5] Conversely, in populations where Schistocephalus solidus infects the second intermediate host (three-spined stickleback) it can reach high prevalence, up to 93% in both European and North American populations [6] [7]
The only exception is the far larger fifteen-spined stickleback (Spinachia spinachia), which can reach 22 cm (approx. 8.8 inches). [12] Body form varies with habitat: sticklebacks in shallow lakes have developed a deep body specialized to enable feeding on benthic invertebrates, whilst those in deep oligotrophic lakes have adapted to feed on ...
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Spinachia is a monospecific genus of ray-finned fish belonging to the family Gasterosteidae, the sticklebacks.The only species in the genus is Spinachia spinachia, the sea stickleback, fifteen-spined stickleback or fifteenspine stickleback, a species which lives in benthopelagic and in brackish environments of the northeastern Atlantic Ocean.
The brook stickleback (Culaea inconstans) is a small freshwater fish that is distributed across the US and Canada. It grows to a length of about 2 inches. It grows to a length of about 2 inches. It occupies the northern part of the eastern United States, as well as the southern half of Canada.
Freshwater demersal fish, up to 5.5 cm (2.2 in) length. Habits small streams, where feeds on aquatic insects and other invertebrates. [1] This taxon is regarded by some authorities as a synonym of the three-spined stickleback (G. aculeatus), [2] and others treat it as a subspecies of the three-spined stickleback, G. a. microcephalus. [3]
Why you should skip it: Shrimp is currently the most consumed seafood in the U.S., surpassing tuna some years back, says Cufone. Stunningly, about 90% of the shrimp we eat in the U.S. are imported ...