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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Cyprinodontidae (Pupfishes) > Cyprinodontinae
Etymology: Megupsilon: Greek, megas, megalos = great + Greek, ypsilon, the name of the Greek, letter "y", that sound as "Ü" (Ref. 45335).
Environment: milieu / climate zone / kisaran kedalaman / distribution range
Ekologi
; air tawar dasar (demersal); pH range: 7.4 - ? ; dH range: 10.5 - ?; nir-ruaya. Subtropical; 18°C - 22°C (Ref. 2059); 26°N - 25°N
Central America: El Potosí, Nuevo Leon, Mexico.
Size / Weight / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 4.0 cm TL jantan/; (Ref. 27139)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)) : 9 - 11; Sirip dubur lunak: 9 - 11.
Body shape (shape guide): fusiform / normal.
An egg lying carnivorous fish which prefers rocky substrate near vegetation. Aquarium conditions: pH=7.3, H=12, 10°C water temperature (Ref. 6398). Not a seasonal killifish (Ref. 27139). A popular media fish.
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Huber, J.H., 1996. Killi-Data 1996. Updated checklist of taxonomic names, collecting localities and bibliographic references of oviparous Cyprinodont fishes (Atherinomorpha, Pisces). Société Française d'Ichtyologie, Muséum National d'Histoire Naturelle, Paris, France, 399 p. (Ref. 27139)
Status IUCN Red List (Ref. 130435: Version 2025-1)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan; Akuarium: Komersial
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Acuan
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00591 - 0.03081), b=3.14 (2.95 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Acuan
69278): 2.7 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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