gasterosteidae (sticklebacks)
DESCRIPTION
Gasterosteidae (sticklebacks). Small, unscaled body Free spines anterior to dorsal fin Pelvic fin consists of 1 spine Narrow caudal peduncle. brook stickleback ( Culaea inconstans ) ). New York State Department of Environmental Conservation. Gasterosteidae. NFC’s Native Fish Gallery. - PowerPoint PPT PresentationTRANSCRIPT
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Gasterosteidae (sticklebacks)• Small, unscaled body• Free spines anterior to
dorsal fin• Pelvic fin consists of 1
spine• Narrow caudal
peduncle brook stickleback (Culaea inconstans))
New York State Department of Environmental Conservation
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Gasterosteidae• 1 IA species
• Golf-ball sized nest composed of fibers
• Male guards nest, young
• Prey on small animals
brook stickleback (Culaea inconstans))
NFC’s Native Fish Gallery
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Cottidae (sculpins)• Small body
• Wide, flat head
• Eyes on upper side of head; close together
• Divided dorsal fin of spiny and soft components
• Large pectoral fins
slimy sculpin (Cottus cognatus))
New York State Department of Environmental Conservation
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Cottidae
• 2 species in northeast IA
• Bottom dwellers in cold streams, lakes; often co-occur with salmonids
• Benthivorous
Mottled sculpin (Cottus bairdi))
http://www.nps.gov
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Moronidae (temperate basses)• Deep bodied, laterally
compressed• Ctenoid scales• Dorsal fin completely
divided; anterior portion with spines, posterior region mostly soft
• 3 anal spines• Pelvic fins thoracic
(jugular)• Spine on opercle• IA species with lateral
stripes
yellow bass (Morone mississippiensis))
Iowa Department of Natural Resources
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Moronidae
• Random spawners (no nests)
• Rivers, lakes, reservoirs
• Prey on invertebrates, fish
Ohio EPA
white bass (Morone chrysops))
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Centrarchidae (sunfishes and basses)• Deep bodied, laterally
compressed• Ctenoid scales• Dorsal fin undivided;
anterior portion with spines, posterior region mostly soft rays
• 3-8 anal spines• Pelvic fins thoracic
(jugular)• No spine on opercle
bluegill (Lepomis macrochirus))
Ohio EPA
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Centrarchidae• Nesters; male scoops
out depression, guards nest
• Many are game species
• Small individuals consume invertebrates; large ones piscivorous
Ohio EPA
largemouth bass (Micropterus salmoides))
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Percidae (perches)• Ctenoid scales
• Dorsal fin completely divided; anterior portion with spines, posterior region soft
• 1-2 anal spines; 2nd spine not broad and long
yellow perch (Perca flavescens))
Ohio EPA
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Percidae• Important economically,
recreationally, ecologically
• Small individuals consume invertebrates; large ones piscivorous
• Darters sensitive to environmental degradation; water-quality indicators
fantail darter (Etheostoma flabellare))
Iowa DNR
walleye (Stizostedion vitreum))
Ohio EPA
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Sciaenidae (drums)• Large, humpbacked body
• Subterminal mouth• Long, divided dorsal
fin; anterior with spines, posterior soft
• Pelvic fins thoracic or jugular in position
• 1-2 anal spines; 2nd spine broad and long
• Lateral line extends onto caudal fin
freshwater drum (Aplodinotus grunniens))
Ohio Department of Natural Resources
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Sciaenidae• Rumbling sound produced
by swim bladder
• Benthivorous on invertebrates
• Eggs, larvae float at water surface Ohio EPA
freshwater drum (Aplodinotus grunniens))