Megapterinae

Megapterinae

Megapterinae

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Megapterinae
Humpback Whale underwater shot.jpg
Ballena Jorobada: Megaptera novaengliae
Humpback whale size.svg
Tamaño en comparación con un humano promedio
Estado de conservación
Vulnerable (VU)
IUCN 3.1[1]
Clasificación científica
Reino: Animalia
Subreino: Tracheobionta
Filo: Chordata
Clase: Mammalia
Subclase: Eutheria
Orden: Cetacea
Suborden: Mysticeti
Familia: Balaenopteridae
Subfamilia: Megapterinae
Género: Megaptera
Gray, 1846
Especie: M. novaeangliae
Nombre binomial
Megaptera novaeangliae
Borowski, 1781
Distribución
Humpback Whale range
Humpback Whale range


Esta es una subfamilia que agrupa a las ballenas jorobadas:

Ballena Jorobada (Megaptera novaengliae): otros nombres: Ballena Jubarta, Rorcual Jorobado, Humpback Whale. Características: cuerpo robusto. Cabeza ancha y redondeada, tubérculos carnosos en región dorsal y maxilar inferior. Aletas pectorales robustas con bordes anteriores festoneados, alcanzan los 5 m de longitud (hasta un tercio de la longitud del cuerpo).

Aleta dorsal pequeña de forma triangular, sobre una joroba o giba, situada en el tercio posterior del cuerpo. Aleta caudal ancha y con bordes posteriores aserrados. Color gris oscuro a negro en el dorso, vientre blanco, aunque existe una gran variación en estos patrones de coloración en las diferentes poblaciones. Aletas pectorales y aleta caudal con coloración variable, desde el blanco hasta el negro en forma homogénea. Presenta 14 a 35 pliegues en la garganta que se extienden hasta la región genital. Con 270 a 400 barbas en cada mandíbula superior, negra a verdosa, de hasta 60 cm de longitud. Alcanza 11 a 16 m de longitud. Peso de 35 t.

Referencias

  1. ↑ Cetacean Specialist Group (1996). Megaptera novaeangliae. 2006 Lista Roja de Especies Amenazadas IUCN. IUCN 2006. Consultado el 11 de mayo 2006. Database entry includes a lengthy justification of why this species is vulnerable

Enlaces externos

Obtenido de "Megapterinae"

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