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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlinae
Etymology: Aequidens: Latin, aequus, equal, equally + Latin, dens, dentis = teeth (Ref. 45335); pirilampo: Name 'pirilampo' from a Portuguese word meaning 'firefly', in reference to the color pattern of the species, similar to the bioluminescent Coleoptera that is common in the region. Noun in apposition.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Tropical
South America: Brazil.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 9.5 cm SL ذكر/ مختلط الجنس; (Ref. 133465)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 14 - 15; الأشعة الظهرية الناعمة (المجموع) : 9 - 11. This species is distinguished from its congeners by the following set of characters: anteriorly oblique dark brown flank bars; dorsal head contour, from the tip of the snout to the vertical through the posterior margin of the eye, almost straight, except for a conspicuous concavity at the interorbital region; lower jaw 40.2-46.9% HL and 16.7-18.5% SL; upper jaw, 12.2-15.1% SL; discontinuous lateral band in fixed specimens; lateral band divided into blotches more conspicuous at the encounter with flank bars; unpigmented areas anteriorly and posteriorly to the midlateral spot absent, not forming a whitish circle above the longitudinal stripe; dorsal portion of the flank bar 5 anteriorly inclined and less conspicuous than the midlateral spot; eight flank bars (1a, 1p, 2, 3, 4, 5, 6, and 7); lateral band equally conspicuous along its entire length; dark-brown blotch dorsal to midlateral spot absent; cheek spot present, not spanning the entire anterior margin of the vertical arm of the preopercle; iridescent vermiculations on the cheek, opercle and pectoral girdle absent; suborbital stripe not retained in adult specimens; large, dark-brown blotches on the cheek and opercle and by the brown lachrymal region absent; preopercular spot absent; round midlateral spot; posterodorsal blotch on the flank absent (133465).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
The new species inhabits lentic mesohabitats, typically between 10 cm (for hatchlings) and slightly more than 1 meter deep. These are further characterized by extremely crystalline water, with submerged vegatation (Ref. 133465).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Oliveira, R.C.D., L.F.C. Tencatt, G.D.C. Depra, R. Britzke, C. Oliveira and W.J. da Graça, 2024. A new species of Aequidens (Cichliformes: Cichlidae) from the rio Paraguai basin, Brazil. Neotropical Ichthyology 22(2):e230106. (Ref. 133465)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
مستوى غذائي (مرجع
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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