Classification / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Geophaginae
Etymology: Apistogramma: Greek, apisto = uncertain + Greek, gramma = graphic signal (Ref. 45335); ortegai: Name for Professor Hernán Ortega Torres, ichthyologist at the Museo de Historia Natural, Universidad Nacional Mayor de San Marcos, Lima, Peru, in recognition of his life-long dedication and contribution to the study of the fishes of Peru.
Eponymy: Dr Hernán Ortega Torres is a Peruvian ichthyologist at the National University of San Marcos, Lima, where he is Professor and Curator of the fish collection in the university’s Museum of Natural History. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / গভীরতার পরিসীমা / distribution range
বাস্তুসংস্থান
; স্বাদু পানি সমুদতলে ভাসমান বেনথোপেলাজিক. Tropical
South America: Ampyiacu River in the Peruvian Amazon basin.
আকৃতি / ওজন / Age
পরিপক্কতা : Lm ? range ? - ? cm
Max length : 5.1 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 97388)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
পৃষ্ঠীয় কাঁটা (মোট ) : 15 - 16; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 6 - 7; পায়ূ কাঁটা : 3; পায়ূর নরম পাখনা্তুন্ড: 6 - 7; কশেরুকা : 24. Apistogramma ortegai belongs to Apistogramma regani species group, sharing exclusively with A. commbrae (Regan, 1906); A. inconspicua, 1983; and A. linkei, 1985 a tail spot (contiguous caudal spot to bar 7). It can be distinguished from A. commbrae by the absence of vertical stripes on caudal fin (vs. presence); from A. inconspicua by absence of vertical stripes on caudal fin (vs. presence) and by lateral band running into tail spot (vs. lateral band ending in bar 6); from A. linkei by absence of vertical stripes on caudal fin (vs. presence of two vertical stripes posteriorly) and by horizontal abdominal stripes (vs. vertical abdominal stripes). It can be diagnosed from other species with similar general counts, body shape and similar basic melanic color pattern, with exception of the contiguous caudal spot to bar 7: from A. eunotus by having 7-8 predorsal scales (vs. 9-12), 6-8 prepelvic scales (vs. 9-13) and presence of abdominal stripes (vs. absence); from A. cruzi by having 6-8 prepelvic scales (vs. 9-13); from A. aguarico by its dorsal-fin lappets short (vs. five first dorsal-fin lappets elongated) (Ref. 97388).
Body shape (shape guide): fusiform / normal.
Occurs along the margin of a small stream tributary to the Ampyiacu River in the municipality of Pebas. The stream is characterized by clear and acid water with pH 6.0, water temperature 26°C, depth of at most 50 cm and bottom substrate mainly composed of sand and leaves, with some clay. Collected together with Apistogramma bitaeniata, Bujurquina peregrinabunda, Crenicichla sp., Cichlasoma amazonarum, Acestrocephalus sp., Astyanax bimaculatus, Characidium sp., Knodus sp., Leporinus sp. aff. friderici, Moenkhausia margitae, Moenkhausia oligolepsis, Pyrrhulina semifasciata, Corydoras fowleri, Ituglanis sp., Rhamdia sp., Gymnotus sp., and Sternopygus macrurus (Ref. 97388).
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
Britzke, R., C. Oliveira and S.O. Kullander, 2014. Apistogramma ortegai (Teleostei: Cichlidae), a new species of cichlid fish from the Ampyiacu River in the Peruvian Amazon basin. Zootaxa 3869(4):409-419. (Ref. 97388)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
Estimates based on models
Phylogenetic diversity index (সূত্র
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.00845 - 0.03919), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (সূত্র
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (সূত্র
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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