Studies on the behaviour and substratum preference in juveniles of the marine prawn, Metapenaeus monoceros (Fabricius)

Joshi, Pramod Kumar; Kulkarni, G. K.; Nagabhushanam, R.

doi:10.1007/bf00038859

Cited by 12 publications

(4 citation statements)

References 12 publications

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“…Laboratory observations of the greater activity levels during dark hours among juveniles of three shrimp species are consistent with earlier findings on M. endeavouri (Vance, 1992;Vance and Staples, 1992); M. ensis (Wassenberg and Hill, 1994); M. monoceros (Joshi et al, 1979); P. aztecus and P. duorarum (Williams, 1958); P. esculentus (Hill and Wassenberg, 1987;Vance, 1992;Vance and Staples, 1992); P. japonicus (Cuzon et al, 1982); P. latisulcatus (Wassenberg and Hill, 1994); P. merguiensis (Vance, 1992 Vance and Staples, 1992); P. monodon (Motoh, 1981); P. semisulcatus (Möller and Jones, 1975); P. setiferus (Williams, 1958;Wenner and Beatty, 1993); and P. vannamei (Moctezuma and Blake, 1981). Wild catches of juvenile P. plebejus, P. semisulcatus and other penaeid species have also been higher at night compared to day (Coles, 1979;Stoner, 1991;Vance et al, 1994).…”

Section: Discussionsupporting

confidence: 87%

Size and diel differences in activity patterns ofMetapenaeus ensis, penaeus latisulcatusandP. merguiensis

Primavera¹,

Lebata

2000

Marine and Freshwater Behaviour and Physiology

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The nursery function of mangroves as shelter has been postulated to explain the positive correlation between shrimp catches and mangrove area. This study was undertaken to document shelter use and other activities in mangrove-associated penaeids and to determine diel and size differences relating to these activities. Juvenile Metapenaeus ensis, Penaeus latisulcatus and P. merguiensis collected from mangrove areas in Guimaras, central Philippines and stocked individually in glass tanks (= replicates) provided with artificial shelters and sand substrate were observed every hour for 25 h. Size classes tested were very small (1-5.9 mm carapace length); small (6-10.9mm CL); medium (11-15.9mm CL); large (16-20.9mm CL); and very large (21-25.9 mm CL). Due to limited juvenile supply, only 3 sizes were tested for each species: P. merguiensis (very small to medium), M. ensis (small to large) and P. latisulcatus (medium to very large) with 5 replicate animals (one per tank) per size. Juvenile M. ensis and P. latisulcatus showed a strong diel periodicity of daytime burial and nocturnal activity. In contrast, P. merguiensis showed active swimming and feeding throughout the day and night. Very small to small P. merguiensis were observed on the shelters, but burying was exhibited only by a few medium-sized juveniles. This shelter use is consistent with observations of small P. merguiensis entering the mangrove forest (where roots, twigs, etc. contribute to structural complexity) on the flood tide and concentrating in the shallow, turbid waters of adjoining creeks during ebb tide and slack water.

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Section: Discussionsupporting

confidence: 87%

Size and diel differences in activity patterns ofMetapenaeus ensis, penaeus latisulcatusandP. merguiensis

Primavera¹,

Lebata

2000

Marine and Freshwater Behaviour and Physiology

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“…The same diel periodicity has been observed for P esculentus and P vannamei (Moctezuma & Blake, 1981) . Joshi et al (1979) found that 80% of M. monoceros burrowed in mud at 9 a .m . compared to 60% at 3 p .m .…”

Section: Discussionmentioning

confidence: 99%

“…The animal creates a depression in the substrate with the help of its pereopods, settles in, and agitates surrounding particles to cover itself (Joshi et al ., 1979) . The body may be completely buried, marked only by a funnelshaped depression in the substrate along the sides of the carapace caused by the exhalant respiratory currents (Hughes, 1966) or partially covered with the rostrum, eyes, antennules, antennae and antennal scales, or even parts of the abdomen and telson exposed (Bishop & Herrnkind, 1976 of the activity types or categories had zero or low counts .)…”

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confidence: 99%

Diel activity patterns in Metapenaeus and Penaeus juveniles

Primavera

Lebata

1995

Hydrobiologia

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Small (5-10 .9 mm carapace length), medium (11-15 .9 mm), and large (16-20 .9 mm) juveniles of Metapenaeus anchistus, Metapenaeus sp ., Penaeus monodon and P. merguiensis were stocked individually in glass tanks provided with sand substrate, sea water, artificial bamboo shelter, aeration and food . The seven activity types (recorded for each shrimp hourly for 24 h) were classified as below (burrowing) or above substrate (swimming, walking, stationary, in shelter, feeding and cleaning) . Shrimp juveniles exhibited a strong diet periodicity -emergence and activity at night and burrowing in the day. The chi-square test showed that type of activity (above/below substrate) was associated with period (light/dark). Diurnal burrowing was greater among Metapenaeus than Penaeus ; inversely, above substrate activities were more frequent for Penaeus species compared to Metapenaeus. Feeding was the major above substrate and nocturnal activity for M. anchistus, Metapenaeus sp . and P monodon . Only P monodon used the shelter consistently . Frequency of the 7 activity types was dependent on juvenile size for Penaeus, e .g ., the preference for shelters shifted to burrowing with increase in size in P monodon . Results are discussed in relation to the importance of mangrove habitats in providing shelter to penaeids, in particular the mangrove-associated P monodon and P. merguiensis .

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“…M. ensis (Staples et al, 1985, Sasekumar et al, 1992, are widely distributed among coastal habitats and this may be associated with their ability to burrow. Joshi et al (1979) showed that M. monoceros preferred mud substrates. and this preference may be associated with the predation avoidance or food availability.…”

Section: Environmental Parametersmentioning

confidence: 98%

Juvenile Penaeid Shrimp Density, Spatial Distribution and Size Composition in four adjacent habitats within a Mangrove-Fringed Bay on Inhaca Island, Mozambique

Macia¹

2007

West Ind. Oc. J Mar. Sci.

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Abstract-The effects of habitat characteristics (mangrove creek, sandflat, mudflat and seagrass meadow) water salinity, temperature, and depth on the density, spatial distribution and size distribution of juveniles of five commercially important penaied shrimp species (Metapenaus monoceros, M. stebbingi, Fenneropenaeus indicus, Penaeus japonicus and P. semisulcatus) were investigated during a high shrimp recruitment peak lasting from January to June 2002, in four contiguous habitats within a non-estuarine mangrove bay at Saco da Inhaca, Inhaca Island, Southern Mozambique. A total of 14,976 specimens representing the five species were collected by means of a 1m beam-trawl fitted with a 2 mm mesh net with a cod-end. Every two weeks corresponding with spring tides on three consecutive nights, three trawls of 50 meters each were carried out each night in each habitat at 1.40-2.15 a.m. after the daily spring tide high water peak. Species distributions among the four habitats during the six months sampled showed significant differences in habitat preference (p>0.001). Fenneropenaeus indicus, M. stebbingi and P. japonicus dominated the catches in sand flats with densities of 27 ± 0.94, 18 ± 0.98 and 7 ± 0.76 shrimp /50 m 2 , respectively. Metapenaeus monoceros dominated catches in mudflats at a density of 21 ± 0.78 /50 m 2 followed by M. stebbingi with 13±1.2 /50 m 2 . Penaeus semisulcatus was almost exclusively captured in seagrass meadows at densities of 8± 0.57 /50 m 2 . Only the Metapeneaus species showed a wide range of habitat utilization. The differences in habitat preference emphasises spatial partitioning between shrimps, reducing competition. Multiple linear regressions of juvenile shrimp densities for each species with water depth, salinity and temperature showed some significant effects. Fenneropenaeus indicus density showed a significant negative relationship with salinity and water depth and a positive relationship with temperature and turbidity. Metapenaeus stebbingi numbers showed a significant positive correlation with increasing salinity and temperature, but a negative one with depth. Penaeus japonicus numbers were significantly related to decreasing salinity and depth. Penaeus semisulcatus abundance was significantly related to decreasing temperature, and increasing turbidity and depth. More than 50% of the total shrimps captured had carapace length of ≤ 3 mm, substantiating the nursery function of the different habitats sampled in the study.

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Studies on the behaviour and substratum preference in juveniles of the marine prawn, Metapenaeus monoceros (Fabricius)

Cited by 12 publications

References 12 publications

Size and diel differences in activity patterns ofMetapenaeus ensis, penaeus latisulcatusandP. merguiensis

Size and diel differences in activity patterns ofMetapenaeus ensis, penaeus latisulcatusandP. merguiensis

Diel activity patterns in Metapenaeus and Penaeus juveniles

Juvenile Penaeid Shrimp Density, Spatial Distribution and Size Composition in four adjacent habitats within a Mangrove-Fringed Bay on Inhaca Island, Mozambique

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