/ictaluridae/noturus/gyrinus/1.jpg "Noturus gyrinus(1) - Click to enlarge")
/ictaluridae/noturus/gyrinus/2.jpg "Noturus gyrinus(2) - Click to enlarge")
/ictaluridae/noturus/gyrinus/3.jpg "Noturus gyrinus(3) - Click to enlarge")
/ictaluridae/noturus/gyrinus/4.jpg "Noturus gyrinus(4) Juvenile - Click to enlarge")
/ictaluridae/noturus/gyrinus/5.jpg "Noturus gyrinus(5) - Click to enlarge")
/ictaluridae/noturus/gyrinus/6.jpg "Noturus gyrinus(6) - Click to enlarge")
/ictaluridae/noturus/gyrinus/7.jpg "Noturus gyrinus(7) - Click to enlarge")
/ictaluridae/noturus/gyrinus/8.jpg "Noturus gyrinus(8) - Click to enlarge")
/ictaluridae/noturus/gyrinus/9.jpg "Noturus gyrinus(9) - Click to enlarge")
/ictaluridae/noturus/gyrinus/10.jpg "Noturus gyrinus(10) - Click to enlarge")
/ictaluridae/noturus/gyrinus/11.jpg "Noturus gyrinus(11) Close-up of mouth - Click to enlarge")
/ictaluridae/noturus/gyrinus/12.jpg "Noturus gyrinus(12) Juvenile and adult - Click to enlarge")
/ictaluridae/noturus/gyrinus/13.jpg "Noturus gyrinus(13) - Click to enlarge")
/ictaluridae/noturus/gyrinus/14.jpg "Noturus gyrinus(14) Habitat: Unicorn Lake, Maryland, USA - Click to enlarge")
 Cat-eLog Data Sheet | |
|---|---|
| Scientific Name | Noturus gyrinus (Mitchill, 1817) |
| Common Name(s) | Tadpole Madtom |
| Type Locality | Walkill R., New York, U.S.A. |
| Synonym(s) | Silurus gyrinus |
| Pronunciation | no two russ - jai ree nuss |
| Etymology | From the Greek notos, meaning back and oura, meaning tail. In reference to the confluent adipose and caudal fins. From the Greek gyrinus, meaning tadpole. In reference to the distinctive body form of this species. |
| Species Information | |
| Size | 115mm (4.5") SL. Find near, nearer or same sized spp. |
| Identification | Short, stocky body. Terminal mouth with equal jaws. Posterior edge of pectoral spine without distinct serrations, golden yellow to dark chocolate brown body with dark midlateral stripe, 13-18 anal-fin rays. |
| Sexing | Breeding male with swollen lips, enlarged cephalic epaxial muscles, and large bulbous genital papilla. Female with papilla with deep median groove ending in a small bump. |
| General Remarks | The pectoral spine sting of N. gyrinus is one of the most toxic. |
| Habitat Information | |
| Distribution | Widely distributed in the lowlands of eastern and central North America, skirting the Appalachian
uplands and mountains. Gulf Coast Drainages, Mississippi (hover or click on these areas to show maps or find other species found there) Gulf Coast Drainages, Mississippi, Missouri (hover or click on these areas to show maps or find other species found there) |
| pH | 6.2 - 7.0 |
| Temperature | 16.0-22.0°C or 60.8-71.6°F (Show others within this range) |
| Other Parameters | Good aeration but strong current unnecessary. |
| Husbandry Information | |
| Feeding | Readily feeds on live and frozen foods. Madtoms appear to have difficulty in digesting earthworms and tubificid worms (even though they will gorge themselves when offered), and should not be fed these foods. May also adapt to prepared foods in the aquarium. |
| Furniture | A gravel bottom is not neccesary for this species. Provide a bottom of sand mixed with peat moss, PVC pipes, flat rocks and vegetation. |
| Compatibility | Suitable for a coldwater community tank. Ideal tankmates include small- to mid-sized North American native fishes such as shiners and darters. |
| Suggested Tankmates | Ideal tankmates include small to midsized North American native fishes such as darters and shiners. |
| Breeding | The northern populations spawn in May-August, although gravid females have been found in southern populations as early as April. This species spawns in shelter and may use discarded containers for nesting sites. Both parents help to guard the nest and care for eggs (typically 93-150 in a clutch). The fish move over the egg mass in a shivering motion, with the anal fin in contact with the eggs, or take part of the egg mass into their mouths and spit it out. |
| Further Information | |
| References | Am. Monthly Mag. Crit. Rev.v. 1 - pp289 A Field Guide To Freshwater Fishes North America North American Native Fishes for the Home Aquarium American Aquarium Fishes |
| Registered Keepers | (1) Dave Rinaldo, (2) Plecofanatic1989, (3) UNTgolf (k: 7), (4) geekshow, (5) Thalan (p: 2), (6) Birger (k: 5), (7) nvcichlids (k: 2), who also notes: "A single fry has been found in my tank!", (8) Dalek Tzet (k: 4), (9) inspiritid. Click on a username above to see all that persons registered catfish species. You can also view all "my cats" data for this species.  Add this species to your "my cats" page. |
| Breeding Reports | None. |
| More Resources |
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| Hits | 5499 hits. |
| Last Update | 2011 Jun 26 06:59 (species record created: 2001 Apr 25 00:00) |
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