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Epinephelus rivulatus (Valenciennes, 1830)

Halfmoon grouper
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Native range | All suitable habitat | Point map | Year 2050
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Epinephelus rivulatus   AquaMaps   Data sources: GBIF OBIS
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Image of Epinephelus rivulatus (Halfmoon grouper)
Epinephelus rivulatus
Picture by Randall, J.E.

Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Serranoidei (Groupers) > Epinephelidae (Groupers)
Etymology: Epinephelus: Greek, epinephelos = cloudy (Ref. 45335).
More on author: Valenciennes.

Environment: milieu / climate zone / depth range / distribution range पारिस्थितिकी

समुद्री प्रवाल-भित्ति संयुक्त; गहराई सीमा 1 - 150 m (Ref. 9710). Subtropical; 36°N - 36°S, 23°E - 175°E (Ref. 5222)

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

Indo-West Pacific: East Africa to the western Pacific, southward into temperate waters of South Africa, Australia, and New Zealand. Not known from the Red Sea or Persian Gulf.

Length at first maturity / आकार / वज़न / Age

Maturity: Lm 19.4, range 14 - ? cm
Max length : 45.0 cm TL पुल्लिंग / अलिंग; (Ref. 90102); अधिकतम प्रकाशित वज़न: 1.4 kg (Ref. 5222)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण) : 11; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 16 - 18; गुदा कांटा: 3; ऐनल सौफट रेज़: 8. Characterized by red-brown head; body mottled pale-brown color; 5-6 irregular dark brown bars on body; caudal fin dark brown with pale speckling; body scales ctenoid except cycloid anterodorsally above lateral line, on nape, thorax and abdomen; body with auxiliary scales only anterodorsally behind zone of small cycloid scales; greatest depth of body; 2.7-3.2 in SL; rounded caudal fin; pelvic fins, 1.9-2.4 in head length (Ref. 90102); body depth contained 2.7-3.2 times in SL; head length 2.3-2.6 times in SL; head length 2.3-2.6 times in SL; flat to slightly convex interorbital area, dorsal head profile convex; snout length 4.0-5.0 in HL; angular preopercle, with enlarged serrae at angle; straight upper edge of operculum, almost horizontal; posterior and anterior nostril subequal in size; maxilla reaches to or past vertical at rear edge of eye, ventral edge with slight step at distal expansion; 2-3 rows of teeth on midlateral part of lower jaw; pyloric caeca (Ref. 89707).

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ epibenthic)

Sedentary reef-associated species (Ref. 89707). Occurs on coral reefs, areas with rocky substrata, algal flats and seagrass beds. Feeds on fishes and crustaceans (Ref. 30573). A protogynous hermaphrodite (Ref. 55367). Forms spawning aggregations (Ref. 55367). Solitary (Ref 90102).

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

A monandric species (Ref. 55367). Length at sex change = 7.56 cm TL (Ref. 55367).

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

Heemstra, P.C. and J.E. Randall, 1993. FAO Species Catalogue. Vol. 16. Groupers of the world (family Serranidae, subfamily Epinephelinae). An annotated and illustrated catalogue of the grouper, rockcod, hind, coral grouper and lyretail species known to date. Rome: FAO. FAO Fish. Synop. 125(16):382 p. (Ref. 5222)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Least Concern (LC) ; Date assessed: 15 February 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

मात्स्यिकी: लघु वाणिज्य
FAO - Publication: search | FishSource |

अधिक जानकारी

Trophic ecology
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Food rations
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Length-weight rel.
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Spawning aggregations
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इंटरनेट स्रोत

Estimates based on models

Preferred temperature (Ref. 123201): 21.5 - 28.8, mean 27.2 °C (based on 1542 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00791 - 0.02004), b=3.03 (2.90 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.54 se; based on food items.
Generation time: 2.9 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
लौटाव (Ref. 120179):  ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (K=0.4).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (32 of 100).
Price category (Ref. 80766):   Very high.
Nutrients (Ref. 124155):  Calcium = 22.1 [7.7, 45.5] mg/100g; Iron = 0.54 [0.27, 1.15] mg/100g; Protein = 19.1 [17.6, 20.6] %; Omega3 = 0.208 [0.115, 0.369] g/100g; Selenium = 19.8 [9.8, 39.7] μg/100g; VitaminA = 97.4 [23.4, 395.0] μg/100g; Zinc = 0.901 [0.594, 1.361] mg/100g (wet weight);