Classification / Names
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Characiformes (Characins) >
Anostomidae (Headstanders)
Etymology: Schizodon: Greek, schizein = to divide + Greek, odous = teeth (Ref. 45335).
Eponymy: Not an eponym: corti is the common name for this fish in the area of Lake Maracaibo, Venezuela. (Ref. 128868), visit book page.
More on author: Schultz.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
South America: rivers draining into Lake Maracaibo.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm SL hane/ej könsbestämd; (Ref. 26543)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 12; Mjukstrålar i analfenan: 10; Ryggkotor: 40 - 41. With 5 1/2 scales in a transverse series between the lateral line and the origin of the dorsal fin; with 5 scales between the lateral line and the origin of the anal fin; presence of three cusps on all jaw teeth; fourth blotch of dark pigmentation on the mid-lateral surface of the body is centered distinctly anterior of the vertical line through the origin of the adipose fin; relatively longer post-orbital portion of the head (0.40- 0.47 of HL); and lack of dark mid-lateral stripe; pored lateral-line scales from supracleithrum to end of lateral line 43 to 45; all scales of lateral line pored.
Adults feed on fresh leaves and grasses (Ref. 26543). Distinct pairs breed on densely grown weedy places (Ref. 205).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Distinct pairs breed on densely grown weedy places (Ref. 205).
Vari, R.P. and S.J. Raredon, 1991. The genus Schizodon (Teleostei: Ostariophysi: Anostomidae) in Venezuela, a reappraisal. Proc. Biol. Soc. Wash. 104(1):12-22. (Ref. 28837)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00507 - 0.02267), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.0 ±0.00 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).