Classification / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Otopharynx: Greek, ous = hear + Greek, pharyngx = pharynx (Ref. 45335); styrax: From the Greek masculine noun στύραξ (styrax), a metal spike at the lower end of a spear shaft, for the resemblance of this elongate cichlid with pointed head to the shape of that classical object; a noun in apposition (Ref. 119408).
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
; স্বাদু পানি সমুদতলে ভাসমান বেনথোপেলাজিক. Tropical
Africa: Lake Malawi in Malawi and Tanzania (Ref. 119408).
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 11.7 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 119408)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
পৃষ্ঠীয় কাঁটা (মোট ) : 16 - 17; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 12 - 14; পায়ূ কাঁটা : 3; পায়ূর নরম পাখনা্তুন্ড: 9 - 10. Diagnosis: A medium-sized, laterally spotted haplochromine distinguishable from all previously described Otopharynx species by its more elongate body, its depth 24.3-28.6% of standard length; the next-most-elongate species are Otopharynx decorus, depth 29.4-33.3% of standard length, and O. lithobates, depth 29.5-34.4% of standard length; all others have a body depth larger than 31% (Ref. 119408). Otopharynx styrax is further separated from O. decorus by its longer caudal peduncle, length/depth 2.0-2.3 vs. 1.5-1.6 in O. decorus, and its narrower lower pharyngeal bone, the lateral edges of the horns diverging at about 70° vs. 79-87° in O. decorus; it is further distinguished from O. lithobates by the absence of dark spots on the dorsum below the dorsal-fin base vs. 4-6 distinct dorsal midline spots in O. lithobates, and longer caudal peduncle, length/depth 2.0-2.3 vs. 1.3-1.7 in O. lithobates (Ref. 119408).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Oliver, M.K., 2018. Six new species of the Cichlid genus Otopharynx from Lake Malaŵi (Teleostei: Cichlidae). Bulletin of the Peabody Museum of Natural History 59(2):159-197. (Ref. 119408)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
মৎস্য:
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ইন্টারনেট সুত্র
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [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).
ট্রফিক পর্যায়ে (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
