Elasmobranchii (sharks and rays) >
Myliobatiformes (Stingrays) >
Myliobatidae (Eagle and manta rays)
Etymology: Aetomylaeus: Greek, aetos = eagle + Greek, mylio = mill, grinder (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; pelagic-neritic; depth range 10 - 117 m (Ref. 103981). Tropical
Western Pacific: northern Australia and southern Papua New Guinea.
Size / Weight / Age
Maturity: Lm ? range ? - 43.4 cm
Max length : 59.1 cm WD male/unsexed; (Ref. 103981); 59.2 cm WD (female)
Short description
Identification keys | Morphology | Morphometrics
This small species of Aetomylaeus (reaching about 59.0 cm DW) is distinguisehd by the following set of characters: dorsal surface greenish to yellowish brown with a series of 7 transverse pale bluish bands which is sometimes faint; no dark spots or blotches; whitish ventral surface; usually the pectoral fins are not dusky distally; the tail is rather long (1.5-1.8 times DW); without stinging spine; head is short and narrow; fleshy rostral lobe, relatively broad, short, and with a rounded apex; teeth in 7 rows in each jaw, and with a broad median row flanked by 3 smaller rows on each side; dorsal-fin origin at level with pelvic-fin insertions; 84-88 pectoral-fin radials (excluding concealed propterygial radials anterior of eyes); 80- 86 total vertebral centra (including synarcual); 14 or 15 pelvic radials (excluding clasper) in males; 20 or 21 pelvic radials in females (Ref. 103981).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
White, W.T., P.R. Last and L. Baje, 2015. Aetomylaeus caeruleofasciatus, a new speices of eagle ray (Myliobatiformes: Myliobatidae) from northern Australia and New Guinea. Ichthyol. Res. 2015 (Ref. 103981)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [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).
Trophic level (Ref.
69278): 3.8 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Low, minimum population doubling time 4.5 - 14 years (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (83 of 100).
