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> Gymnotiformes (Knifefishes) > Gymnotidae (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335); interruptus: From the Latin adjective interruptus, meaning interrupted, due to its pale interbands, anterior to vertical through first ventral lateral line ramus, ventrally and/or dorsally fragmented (same as interrupted), allowing union of adjacent dark bands..

Environment: milieu / climate zone / depth range / distribution range पारिस्थितिकी

; स्वच्छ जल, अलवण जल बेनथोपिलाजिक. Tropical

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South America: Riacho Cambiriba, a tributary of the Rio de Contas basin in northeastern Brazil.

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 12.1 cm TL पुल्लिंग / अलिंग; (Ref. 93136)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

Belongs to the Gymnotus carapo species-group, which is characterized by having a transparent patch near the posterior end of the anal fin and two (vs. one) laterosensory pores in the dorso-posterior region of the preopercle bone. Distinguished by having unique combination of characters: wider interorbital distance (44.6 - 45.9% of STO); 9 scales above lateral line at midbody; 23 - 28 ventrally oriented lateral line rami; 37 - 40 pored lateral line scales to first ventral ramus of lateral line; shorter snout (29.6 - 30.5% of STO). Differs from G. carapo or G. bahianus, two congeners also occurring in northeastern Brazil, by its color pattern in which pale interbands, anterior to vertical through first ventral lateral line ramus, are ventrally and/or dorsally fragmented, allowing union of adjacent dark bands (Ref. 93136).

Facultative air-breathing in the genus (Ref. 126274); Occurs in a clear water stream with width of about 4 m, depth of about 1.5 m and bottom composed of sand, gravel and rocks of variable sizes. Found hiding among marginal vegetation and roots. Stomach content of a single specimen consisted of Nematocera larvae, adult Coleoptera and insect eggs (Ref. 93136).

Life cycle and mating behavior Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा

Main reference Upload your references | संदर्भ | संयोजक : Campos-da-Paz, Ricardo | सहयोगीयो

Rangel-Pereira, F.d.S., 2012. Gymnotus interruptus, a new species of electric fish from the Rio de Contas basin, Bahia, Brazil (Teleostei: Gymnotiformes: Gymnotidae). Verteb. Zool. 62(3):363-370. (Ref. 93136)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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इंटरनेट स्रोत

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00437 (0.00209 - 0.00911), b=2.98 (2.79 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

लौटाव (Ref. 120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Gymnotus interruptus Rangel-Pereira, 2012