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Results 1 - 6 of 6 for ventral fins within all areas of the EPA. Only web pages are included. Search all document formats.

EPA - Perches - Genus Level Identifiers02-13-2009

Genus Etheostoma (darters)- 1-2 anal fin spines... Caudal fin emarginate, rounded, or truncate... Genus Sander (sauger and walleye)- 2 poorly developed anal fin spines.

http://www.epa.gov/bioindicators/html/fish_perches_genus.html (HTML)

EPA - Minnows - Genus Level Identifiers02-13-2009

Dorsal fin insertion just posterior of posterior end of pelvic fin insertion... Dorsal fin anterior insertion in line, or slighly behind pelvic fin anterior insertion point ...

http://www.epa.gov/bioindicators/html/fish_minnows_genus.html (HTML)

EPA - Catostomidae Genus Level Identifiers12-08-2009

... stout. Color gray-green dorsally, fading to white ventrally... Spots on dorsal, caudal and anal fins. Spotted Gar ( Lepisosteus oculatus.

http://www.epa.gov/bioindicators/html/fish_gars_genus.html (HTML)

Great Lakes Ecosystem: Lake Strugeon in Detroit River03-09-2006

... incision was made with a surgical scalpel on the mid-ventral line about 40 – 60 mm anterior to the insertion of the pelvic fins ...

http://www.epa.gov/ecopage/aquatic/lkstrugeon/ (HTML)

Page Title | About the Gulf Ecology Division | US EPA11-23-2009

... of the fish and x-ray photographs revealed double dorso-ventral and lateral bends of the spinal column; some vertebrae were ...

http://www.epa.gov/ged/publica/cabanc27.htm (HTML)

Contaminated Sediments | Great Lakes | US EPA03-20-2009

Upon completion of the external examination, a ventral incision on the midline running from the anus to just above the pectoral fins should be made, keeping the scalpel just under the skin ...

http://www.epa.gov/greatlakes/arcs/EPA-905-B94-002/B94002-ch8.html (HTML)