Classification / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335); torgashevi: The species is named in honour of aquarist and collector Sergey Torgashev from Elektrostal, Moscow Oblast, Russia, who discovered the species (Ref. 116436).
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल पिलाजिक; pH range: 8.3 - 8.3. Tropical; 25°C - 30°C (Ref. 116436)
Africa: Mhwala River, Lake Eyasi basin, in Tanzania (Ref. 116436).
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.3 cm SL पुल्लिंग / अलिंग; (Ref. 116436); 3.3 cm SL (female)
Short description
आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण): 0; पृष्ठीय सौफट रेज़ (सम्पूर्ण): 16-17; गुदा कांटा 0; ऐनल सौफट रेज़: 17 - 18; जानवरों की रीड़ का जोड़: 29. Diagnosis: The colour pattern of Nothobranchius torgashevi males is compparable to that of other N. ugandensis group members, comprising light blue scales and a broad, irregular reticulated pattern on the body, vivid orange or red oblique bars on the head and dorsum, a yellow or blue anal fin, and large vivid red spots on the dorsal and anal fins; other shared characters include: head rounded with a slightly concave to nearly straight dorsal profile; predorsal region convex between the nape and posterior extremity of the dorsal fin base; cephalic squamation variable (Ref. 116436). Nothobranchius torgashevi can be distinguished from all other species in the N. ugandensis group by the following combination of characters: flank scales with red margins; caudal fin plain red; pectoral fin hyaline with a few proximal red dots; anal fin light blue with red dots proximally, yellow or creamy white distally; dorsal and anal fins with red margin; 16-17 dorsal fin rays; 17-18 anal fin rays; 31-33 scales in the median lateral series; 11-12 transverse scale rows; 16 circumpeduncular scales (Ref. 116436).
Found in a seasonal ditch, less than 1 m deep and without aquatic vegetation, the water light clay grey and turbid with a pH of 8.3 and temperature varying from 25 to 30°C (Ref. 116436).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Valdesalici, S., 2015. Nothobranchius torgashevi (Cyprinodontiformes: Nothobranchiidae), a new species of annual killifish with two male colour morphs from the Lake Eyasi basin, central Tanzania. Killi-Data Ser. 2015:17-30. (Ref. 116436)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
अधिक जानकारी
आम नामउपशब्दचपायचयपरभक्षीईकोटोकसीकोलौजीपुनरुत्पत्तिपरिपक्व अवधिमछलीऔ का अंडे देनाSpawning aggregationFecundityअंडेEgg development
Age/Sizeबाढ़Length-weightLength-lengthLength-frequenciesमौरफोमैटरिक्सआकृति विज्ञानलार्वालारवल गतिकीभर्तीबहुतायतBRUVS
संदर्भजलीयकृषिजलीयकृषि रूपरेखाखींचआनुवंशिकीElectrophoresesहैरेटिबिलटीबीमारीप्रक्रमणNutrientsMass conversion
सहयोगीयोतस्वीरेStamps, Coins Misc.ध्वनिसिगुयटिरारफ्तारतैरने के प्रकारगिल क्षेत्रOtolithsदिमागदृष्टि
साधन
Special reports
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इंटरनेट स्रोत
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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
