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The Yellowstripe Snapper (Lutjanus lemniscatus) is a medium-sized marine fish belonging to the family Lutjanidae. It is characterized by its robust body, distinctive coloration, and predatory nature. This species is a commercially important food fish in many parts of its range.
Physical Characteristics
- Body shape
- elongated
- Coloration
- Adults typically have a reddish-brown to purplish-brown body dorsally, fading to a lighter, often silvery-pink or whitish ventral side. A prominent feature is a broad, dark, often blackish or dark brown band or blotch on the caudal peduncle and the base of the caudal fin, which can sometimes extend onto the fin itself. Juveniles often display several narrow, yellowish longitudinal stripes along the flanks, which tend to fade or become less distinct with age, sometimes leaving only a faint yellow wash or disappearing entirely. The fins are generally dusky, with the caudal fin often darker.
- Scale type
- ctenoid
- Mouth position
- terminal
- Distinctive features
- Broad, dark band or blotch on the caudal peduncle and caudal fin base., Relatively deep body for a snapper., Pointed snout., Large eyes., Absence of a distinct black spot on the upper flank below the dorsal fin (unlike some other snappers).
- Dorsal fin
- Single dorsal fin with 10 spines followed by 13-14 soft rays. The spinous and soft-rayed portions are continuous.
- Tail fin
- Slightly emarginate to truncate caudal fin, often with a darker posterior margin or overall dark coloration.
- Pectoral fin
- Long pectoral fins, typically reaching to or beyond the anus, with 16-17 rays.
- Distinctive fins
- Anal fin with 3 spines and 8-9 soft rays. Pelvic fins are relatively short.
Identification Tips
Caudal Peduncle Mark
Look for the distinctive broad, dark band or blotch on the caudal peduncle and the base of the caudal fin. This is the most reliable identifying feature for adults.
Body Coloration
Note the reddish-brown to purplish-brown dorsal coloration fading to lighter ventral side. Juveniles may show faint yellow stripes.
Absence of Lateral Spot
Unlike many other snapper species (e.g., Lutjanus fulviflamma), L. lemniscatus lacks a prominent black spot on the upper flank below the dorsal fin.
Fin Count
Count the dorsal fin spines (10) and soft rays (13-14), and anal fin spines (3) and soft rays (8-9) for confirmation, though this requires close examination.
Habitat
- Water type
- saltwater
- Depth
- Typically found in depths ranging from 5 to 80 meters (16 to 262 feet), though most commonly observed in shallower waters.
- Environment
- Inhabits coastal waters, often associated with coral reefs, rocky outcrops, and rubble zones. Juveniles may be found in shallower reef flats or mangrove areas. Adults are often solitary or found in small aggregations.
- Geographic range
- Indo-Pacific region, from the east coast of Africa (including the Red Sea and Madagascar) eastward to Samoa, northward to southern Japan, and southward to northern Australia.
Aquarium Information
- Care level: advanced
- Temperament: semi-aggressive
- Diet: carnivore
- Minimum tank size: 500 gallons
- Temperature: 24-28°C (75-82°F)
- pH level: 8.1-8.4
- Hardness: 8-12 dKH
- Compatibility: Best kept with other large, robust, and semi-aggressive to aggressive fish. Not suitable for reef tanks or with smaller, docile species.
- Special requirements: Requires a very large aquarium with ample swimming space and strong filtration. Live or frozen meaty foods are essential. Can be territorial, especially as it matures.
Wild Information
- Conservation status: least concern
- Seasonality: No strict seasonality for availability, but local fishing seasons and regulations may apply.
- Market price: Varies significantly by region and size, often considered a premium food fish.
- Commercial importance: medium
- Taste: Mild, sweet, and flaky
- Texture: Firm, white flesh
- Cooking methods: baking, grilling, frying, steaming
- Nutritional value: Good source of protein, omega-3 fatty acids, and essential vitamins and minerals.
Key Facts
Color Change with Agebehavior
Juvenile Yellowstripe Snappers often display prominent yellow longitudinal stripes that fade or disappear as they mature, making identification based solely on 'yellow stripes' potentially misleading for adults.
Nocturnal Hunterbehavior
Like many snappers, Lutjanus lemniscatus is primarily a nocturnal predator, feeding on smaller fishes, crustaceans, and other benthic invertebrates.
Solitary or Small Groupsbehavior
While some snapper species form large schools, Yellowstripe Snappers are more commonly observed as solitary individuals or in small, loose aggregations.
Reef Associationbehavior
This species is strongly associated with coral reefs and rocky habitats, utilizing these structures for shelter and hunting grounds.
Safety Information
Safe- Safety level: safe
- Venomous: No
- Edibility: edible
- Handling notes: No specific handling precautions beyond standard care for spiny-rayed fish. Dorsal and anal fin spines can inflict minor punctures if not handled carefully. Always use gloves or a fish gripper when handling to avoid injury.
Similar Species
Blacktail Snapper
Lutjanus fulvus
Lutjanus fulvus typically has a more uniformly yellowish-brown body, often with a series of fine, dark longitudinal lines, and a distinct black blotch on the upper part of the caudal fin, but not extending as a broad band onto the caudal peduncle as in L. lemniscatus. L. fulvus also has a more rounded caudal fin.
Humpback Snapper
Lutjanus gibbus
Lutjanus gibbus has a much deeper body profile, a more pronounced hump on its back, and a deeply forked caudal fin. Its coloration is typically reddish-pink to red, and it lacks the distinct caudal peduncle band of L. lemniscatus.
Bigeye Snapper
Lutjanus lutjanus
Lutjanus lutjanus is generally more slender, has larger eyes, and typically exhibits prominent yellow longitudinal stripes that persist into adulthood. It lacks the broad dark band on the caudal peduncle.
Scientific Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Perciformes
- Family
- Lutjanidae
- Genus
- Lutjanus
- Species
- lemniscatus
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