Typhleotris mararybe

Typhleotris mararybe Sparks & Chakrabarty, 2012

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Typhleotris mararybe
Foto de Sparks, J.S.

Clasificación / Nombres Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Milyeringidae (Blind cave gudgeons)
Etymology: Typhleotris: Greek, typhlos = blind + the name of a Nile fish, eleotris (Ref. 45335)mararybe: From the Malagasy 'marary' (ill or sick), and 'be' (big), meaning very sick or big sickness; in reference to the strange debilitating viral illness or sinkhole fever members of the expedition team contracted after snorkeling in Grotte de Vitane (Ref. 93144).

Entorno: milieu / zona climática / rango de profundidad / gama de distribución Ecología

; agua dulce demersal. Tropical

Distribución Territorios | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Mapa de puntos | Introducciones | Faunafri

Africa: known only from Grotte de Vitane, a sinkhole near the town of Itampolo, Madagascar (Ref. 93144).

Tamaño / Peso / Edad

Madurez: Lm ?  range ? - ? cm
Max length : 4.4 cm SL macho / no sexado; (Ref. 93144)

Descripción breve Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 5; Radios blandos dorsales (total) : 8; Espinas anales: 0; Radios blandos anales: 8; Vértebra: 26. Diagnosis: This species is characterized by uniformly dark brown pigmentation throughout the body, and extending onto the fins for 1/3 of their length; only the distal 2/3 of each fin lacks pigment, apart from the dorsal fins, which are dark brown (Ref. 93144). In addition, Typhleotris mararybe can be distinguished from congeners by the presence of prominent and protruding anterior skeletal elements: protruding lateral ethmoid, sphenotic, and pterotic projections, in combination with a strongly sunken and concave orbital region, lend the head a sculpted and angled bony appearance, particularly in dorsal view; a shorter pectoral fin not reaching a vertical through the anus when adpressed; and an elevated vertebral count (Ref. 93144). It is further distinguished from T. madagascariensis by the absence of scales fully covering the head and a longer second predorsal length (64.9-69.0% of standard length vs. 56.2-64.1% of standard length); and from T. pauliani by a shorter prepelvic length (33.0-33.9% of standard length vs. 34.1-40.4% of standard length), a pelvic formula of I,5, and the absence of a single leading spine in both the second dorsal and anal fins (Ref. 93144).
Body shape (shape guide): elongated.

Biología     Glosario (por ej. epibenthic)

Blind, cave-dwelling species; the known habitat, Grotte de Vitane, is a karst formation with nearly vertical walls, whose water level at the time of collection was approximately 10-15 m below the rim; the diameter of the sinkhole was approximately 100 m across at its widest, and 70 m at its narrowest, with more or less shear walls; the heigth of the sinkhole walls to the water level was approximately 50 m on its southern end, and much shallower on the northern end (Ref. 93144). The water was relatively clear, deep, and warm, about 7.5-10 m deep on average; occurs in open water within 1–1.5 m of the surface; upon being chased, all individuals immediately dove toward the bottom (Ref. 93144).

Ciclo vital y comportamiento de apareamiento Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Referencia principal Suba sus referencias | Referencias | Coordinador | Colaboradores

Sparks, J.S. and P. Chakrabarty, 2012. Revision of the endemic Malagasy Cavefish genus Typhleotris (Teleostei: Gobiiformes: Milyeringidae), with discussion of its phylogenetic placement and description of a new species. American Museum Novitates 3764:1-28. (Ref. 93144)

Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2)

  Critically Endangered (CR) (B1ab(iii)); Date assessed: 14 May 2016

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Amenaza para el ser humano

  Harmless





Usos humanos

FAO - Publication: search | FishSource |

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Ecología Trófica
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Fuentes de Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Árbol de la vida | Wikipedia: Go, búsqueda | World Records Freshwater Fishing | Zoobank | Expediente Zoológico

Estimaciones basadas en modelos

Índice de diversidad filogenética (Referencia 82804):  PD50 = 0.6406   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Nivel trófico (Referencia 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Vulnerabilidad pesquera (Ref. 59153):  Low vulnerability (10 of 100). 🛈