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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Macrhybopsis: Greek, makros = great + Greek, ybos, -e, -on = rounded + Greek, opsis = appearance (Ref. 45335); aestivalis: aestivalis -- of the summer (Ref. 10294).
More on author: Girard.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande; flodvandrande (Ref. 126106). Subtropical; 36°N - 26°N
North America: Rio Grande drainage in Texas and New Mexico, USA; south in Mexico to San Fernando River drainage.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 12.7 cm TL hane/ej könsbestämd; (Ref. 3672); common length : 6.1 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 1.00 år (Ref. 12193)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Adults inhabit sand and gravel runs of small to large rivers (Ref. 5723, 86798). They feed on aquatic insect larvae dominated by midges (Ref. 10294).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
The pelagic-broadcast spawning behavior consisted of males pursuing a single female and nudging her abdominal region. When the female was ready to spawn, a single male wrapped around the female at which time eggs and milt were simultaneously expelled. Reproduction usually consisted of several individual spawning episodes with at least 10-min intervals between events (Ref. 35784).
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00468 (0.00257 - 0.00852), b=3.05 (2.88 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.40 se; based on food items. |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (tmax=1). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |