TN00134 BANDED DARTER ETHEOSTOMA LYNCEUM
PHYSICAL: ADULT SIZE 45-62 MM SL; SEXUALLY DIMORPHIC IN COLOR AND SIZE (MALES BRIGHTER AND LARGER) *816*. A MODERATELY SLENDER DARTER WITH 6-7 CROSS-BARS ON THE BACK; UPPER LIP CONNECTED TO SNOUT AT MID-LINE OF BELLY W/O ENLARGED OR MODIFIED SCALE; GILL COVERS BROADLY CONNECTED BY MEMBRANE ACROS THROAT; DISTANCE FROM MEMBRANE NOTCH TO FRONT OF LOWER LIP MUCH GREATER THAN DISTANCE FROM NOTCH TO FRONT PELVIC FIN BASE; LATERAL LINE COMPLETE, CONTAINING 44-54 SCALES; ANAL FIN MOTTLED OLIVE BROWN WITH 6 OR 7 BROWN CROSS-BARS; MID-SIDE WITH A SERIES OF DARK GREEN BLOTCHES OR BARS; LOWER PARTS YELLOWISH WHIT WITH SCATTERED DUSKY MARKINGS; A DUSKY SPOT OR BAR BENEATH EYE AND ANOTHER EXTENDING FORWARD FROM EYE ONTO SNOUT; SPINUS DORSAL, RUST-RED AT BASE; ALL FINS PROMINANTLY MARKED BY NARROW BROWN LINES; BREEDING MALES HAVE ABOUT 10 BRIGHT GREEN BARS ENCIRCLING BODY; LOWER SURFACE OF HEAD AND BREAST IS BLUE-GREEN; DORSAN FINS EACH HAVE BRICK-RED BAND AT BASE; FINS OTHERWISE A RATER UNIFORM DUSKY GREEN *1187*. REPRODUCTION: SPAWNS AS EARLY AS APRIL IN WISCONSIN *1200*, OKLAHOMA AND MISSOURI *1187,2208*, THRU JUNE OR JULY IN PENNSYLVANIA AND ILLINOIS *2134,2208*, AND MINNESOTA *816*. FEMALES STILL RIPE IN KENTUCKY ON JULY 20TH *2208*. MOST INDIVIDUALS DO NOT MATURE UNTIL THEY ARE 2 YRS OLD *1187*. ATTACHES EGGS TO STANDS OF FILAMENTOUS ALGAE AND AQUATIC MOSSES *1187*. IN OKLAHOMA SPAWNS IN ALGAL CLUMPS GROWING ON LARGE STONES IN DEEPER RIFFLES *1200*; SPAWNS IN SLOWER CURRENT OVER SPARSER VEGETATION THAN GREENSIDE DARTER *1187*; IN OHIO SPAWNING AREAS ARE IN THE RIFFLES OF STREAMS WITH MODERATE TO HIGH GRADIENTS WITH AN ABUNDANCE OF ALGAE AND AQUATIC MOSS ON STONES AND BOULDERS *1200*; FEMALES DEPOSIT THEIR EGGS ON THE PLANT GROWTHS, AND AFTER THE SPAWNING SEASON MOVE DOWNSTREAM TO OVERWINTER IN DEEPER WATERS *1200*. BEHAVIOR: LIVES ON THE BOTTOM *1187*; FEEDING PEAKS AT MID-DAY *2231,2208* SEEM TO HAVE SHARP VISION *2231*. POPULATION PARAMETERS: MAXIMUM AGE IS 3 YRS *2208*; ONLY A FEW INDIVIDUALS SURVIVE THEIR FOURTH SUMMER OF LIFE *1187*; ATTAINS 67% OF ADULT SIZE IN THE FIRST TWO MONTHS OF LIFE; NO GROWTH OCCURS FROM SEPTERBER TO JUNE IN ALL YEAR CLASSES *1200*; PREYED UPON BY LARGER FISH AND BY FISH-EATING BIRDS BECAUSE OF ITS SHALLOW WATER HABITS *1200*. TYPICAL LIFE SPAN IS 4 YRS *2134*. ALL AGE GROUPS OLDER THAN ONE YEAR HAD SIGNIFICANTLY MORE FEMALES THAN MALES *2203*; FEMALES GROW MORE SLOWLY AND DO NOT ATTAIN AS LARGE A SIZE AS MALES *1200*. AQUATIC/TERRESTRIAL ASSOCIATIONS: SHOVELNOSE STURGEON, MOONEYE, QUILLBACK, HIGHFIN CARPSUCKER, SHORTHEAD REDHORSE, GOLDEN REDHORSE, NORTHERN BOG SUCKER, COMMON CARP, SILVER CHUB, SPECKLED CHUB, BLUNTNOSE MINNOW, EMERALD SHINER, SPOTFIN SHINER, RIVER SHINER, SAND SHINER, SAUGER, WLLEYE, CRYSTAL DARTER, SLENDER HEAD DARTER, LOGPERCH, SMALLMOUTH BASS, BLACK CRAPPIE, FRESHWATER DRUM, LONGNOSE DACE, LARGESCALE STONEROLLERS, HORNYHEAD CHUBS, MOTTLED SCULPINS *1200*; STONECAT, NOTURUS FLAVUS; LONGNOSE DACE, RHINICHTHYS CATARACTAE *2203*.
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References for Life History Codes
816, 1187, 1200, 2134, 2203, 2208, 2231
Comments on Life History Codes