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Ocellated Eagle Ray

Aetobatus ocellatus

Ocellated Eagle Ray

EN

Unlocked at Accreditation Tier 4

Statistics

Native rangeIndian Ocean, Pacific Ocean
Population in wildUnknown
Conservation statusEndangered
Enclosure typeAquarium
Habitat typeAquatic
TemperamentConfident
Periodic food expenses478.00
EditionBase Game

The ocellated eagle ray (or Aetobatus ocellatus) inhabits warm, coastal waters of tropical and subtropical regions throughout the Indo-Pacific, and parts of the eastern Pacific. These rays are typically found in shallow bays, coral reefs, and sandy or muddy seafloors.

They have a dark dorsal side covered in bright white spots, a contrasting white underside, a flattened, rhomboid-shaped body, and long, pointed pectoral fins resembling wings. They also have a long, whip-like tail.

Adult males measure 1.5m to 2.0m and weigh 20kg to 35kg. Females are larger, measuring up to 2.5m and weigh up to 90kg.

Habitat

Minimum habitat requirements

Planned population

adults

Space

Deep water180 m²

Barrier

StrengthGrade 2
Height1 m
Water barrierNot allowed

Terrain

Soil0–50%
Sand50–100%
Rock0–20%

Environment

Habitat temperature24 – 27 °C
Plant coverage0 – 30 %
SalinitySaltwater

Preferred group ranges

Mixed group1 – 16 (up to 16 males, up to 16 females)
Male group1 – 16
Female group1 – 16

Social

Offspring dispersalNone
Mating systemPromiscuous
Group nameFever
Guests can walk throughYes

Ocellated eagle rays may be solitary or loosely social. They are often seen in groups for the purposes of feeding, breeding and travelling.

Release

Release requirements

ResearchNot needed

Mixed Group

Males3
Females3
Min. fertility30%
Min. immunity20%
Min. genetic diversity30%

Release Groups can only be released via Conservation Projects or Quick Release.

Solitary Male

Males1
Min. longevity30%
Min. fertility20%

Solitary Female

Females1
Min. longevity20%
Min. fertility30%

Conservation

The ocellated eagle ray is considered Endangered. As a slow-growing species with low reproductive rates, it is especially vulnerable to overexploitation. It is frequently caught as bycatch in nets and lines intended for other species. In some regions, it is also hunted for its meat, cartilage, and gill rakers. Habitat degradation, particularly the destruction of coral reefs, seagrass beds, and coastal nursery areas, further threatens its populations. Pollution, boat traffic, and climate change–related stressors, make it difficult for populations to recover.

Trade in the ocellated eagle ray is regulated to prevent overexploitation. Several countries have fishing regulations, protected areas, and bycatch reduction strategies to safeguard the species. Research programs are using satellite and acoustic tagging to better understand their movements, habitat use, and behaviour. Education campaigns and eco-tourism initiatives help raise awareness and reduce human impacts.

While direct reintroduction efforts are limited, preserving healthy habitats and reducing human pressures support the long-term survival of ocellated eagle ray populations.

Research

LevelUnlocksBonusResearch gate
1Thriving Requirement 1: Bubble Blower - Airstone, at least 2; Ocellated Eagle Ray Fact Sheet
2Thriving Requirement 2: Fine Sand terrain; Fertility Level 1Fertility (+15%)
3Thriving Requirement 3: Food Grade 2; Release groups and release to the wild
4Thriving Requirement 4: Forage Tray, at least 2
5Thriving Requirement 5: Large Indo-Pacific Reef animals Social Group; Fertility Level 2Fertility (+30%)

Conservation topics

Carnivore DietCathemeral BehaviourHabitat LossOcean Ecosystem AmbienceOcellated Eagle Ray Fact SheetOcellated Eagle Ray Name PlateOverexploitationShark and Ray EvolutionSwimming AnimalsUnderwater Life Talk

Life

Reproduction

Mating seasonSummer
Litter size1 – 3
Gestation period12 months
Interbirth period12 months
Reproduction difficultyEasy
Age of sexual sterilityDeath
Age of sexual maturity5 yrs

Lifecycle

Life expectancy20 – 30 yrs
Juvenile5 yrs
Adult13 yrs
Elderly12 yrs

Body

Sizemale 2.5 mfemale 2.5 m

Breeding

Breeding is seasonal in some regions, often tied to warmer water temperatures and food availability: late spring to early summer is typical. They are thought to reproduce every two years, though reproductive cycles may vary by region and environmental conditions. For courtship, males will follow and nip at females before aligning themselves by interlocking their claspers and transferring sperm via cloacas.

Gestation typically lasts around 1 year, and females give birth to 1 to 4 pups per litter. Newborns are miniature versions of adults, measuring approximately 30–45cm and are immediately independent.

Ocellated eagle rays reach sexual maturity at around 3 to 6 years of age, with males generally maturing earlier than females.