Classification / Names
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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypoptopomatinae
Etymology: Parotocinclus: Greek, para in the side of + greek, ous, otis = ear + Greek, kygklos, ou = a fish (Ref. 45335); robustus: The specific name is from the Latin adjective robustus, meaning robust, referring to the strong and robust appearance of the fish.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
; স্বাদু পানি তলদেশ বিহারী. Tropical
South America: upper and middle Rio São Francico basin in Brazil.
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.2 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 91034)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
পৃষ্ঠীয় কাঁটা (মোট ) : 1; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 7; পায়ূর নরম পাখনা্তুন্ড: 6. Distinguished from all species of Parotocinclus, except P. prata, by its abdomen
completely devoid of dermal plates between the pectoral girdle and the anus. Differs from P. prata by having the ventral surface of the head behind the lower lip smooth, without rugosities in adults (vs. ventral surface of the head behind the lower lip highly rugose in adult specimens), and by having the postrostral plate 4 contacting the infraorbitals 3 and 4 (vs. postrostral plate 4 not contacting the infraorbital series). Can be further diagnosed from most congeners, except P. arandai, P. bahiensis, P. prata, and P. spilurus, by having the rostral plate not visible ventrally on the snout tip (vs. rostral plate visible ventrally on the snout tip); and from most congeners, except P. spilurus, P. cearensis, P. prata, P. jumbo, P. spilosoma, and P. cesarpintoi, by having the pectoral girdle covered by skin medially and exposed and supporting odontodes only laterally (vs. pectoral girdle exposed and supporting odontodes both medially and laterally) (Ref. 91034).
Facultative air-breathing in the genus (Ref. 126274); Occurs in small to median-sized rivers with shallow water (0.4-1.5 m depth), slow to median-speed waterflow and clear to slightly turbid water running over a mixed bottom consisting of stones, gravel, sand and sometimes mud. Mostly found on the marginal vegetation (Ref. 91034).
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
Lehmann, A.P. and R.E. Reis, 2012. A new species of Parotocinclus (Siluriformes: Loricariidae) from the upper Rio São Francisco, Brazil. Zootaxa 3390:56-64. (Ref. 91034)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
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=0.00851 (0.00374 - 0.01935), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
স্থিতিস্থাপক (Ref.
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
