Microhabitat and Behavior of Settled Pueruli and Juveniles of the Japanese Spiny Lobster Panulirus japonicus at Kominato, Japan

Yoshimura, Taku; Yamakawa, Hiroshi

doi:10.2307/1548688

Cited by 39 publications

(20 citation statements)

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“…5b) observed a much stronger size-increase in featureless sandy habitats than in mussel beds. Small stages of benthic crustaceans select small crevices, whereas larger individuals are found in less complex environments (Yoshimura & Yamakawa, 1988;Hacker & Steneck, 1990). Hence, the hole size and availability of interstitial spaces between mussels may be a limiting factor preventing the growing juveniles from hiding effectively in the mussel habitat (see also Wahle, 1992;Albrecht & Reise, 1994).…”

Section: Size (Mm)mentioning

confidence: 99%

Recruitment of shore crabsCarcinus maenas on tidal flats: Mussel clumps as an important refuge for juveniles

Thiel

Dernedde

1994

Helgolander Meeresunters

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During the late summer and early fall, juvenile shore crabs (Carcinus maenas L.) occurred in high abundances in mussel clumps scattered on tidal flats of the Wadden Sea. Abundances were much lower on bare tidal fiats without mussel clumps and decreased substantially from July to November, whereas numbers in mussel clumps remained high. Large crabs left the tidal flats in early fall, whereas juveniles undertook tidal migrations only in the late fall. In March very few shore crabs were found in the intertidal area. The size of juvenile shore crabs living between mussels did not increase significantly during fall. On the bare tidal flats surrounding the mussels, a size increase was observed. Mussel beds and mussel clumps serve as a spatial refuge for the early benthic phases of juvenile shore crabs. Between mussels they can hide effectively from their epibenthic predators. Juvenile shore crabs do not leave the intertidal area and the mussel habitats before their major predators have left the area. Mussel clumps scattered over the tidal flats may be a critical refuge for juvenile shore crabs settling on tidal fiats. Intensified efforts in mussel culturing in the European Wadden Sea during recent decades may have caused an increased abundance of mussel clumps on tidal fiats, thus enhancing habitat availability for some mussel-chimp inhabitants.

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Section: Size (Mm)mentioning

confidence: 99%

Recruitment of shore crabsCarcinus maenas on tidal flats: Mussel clumps as an important refuge for juveniles

Thiel

Dernedde

1994

Helgolander Meeresunters

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“…Larval settlement of other Panulirus species also occurs in shallower water than the adult lobster habitat (P. cygnus: Chittleborough 1970; Panulirus japonicus: Yoshimura & Yamakawa 1988;P. argus: Butler & Herrnkind 2000) followed by offshore movement of sub-adults (P. cygnus : Chittleborough 1970;Phillips 1983; P. argus: Davis & Dodrill 1980).…”

Section: Lobster Movementmentioning

confidence: 99%

“…argus: Butler & Herrnkind 2000) followed by offshore movement of sub-adults (P. cygnus : Chittleborough 1970;Phillips 1983; P. argus: Davis & Dodrill 1980). Inshore settlement areas are generally structurally complex with either dense vegetation or small reef holes providing shelter from predation, as well as the preferred food source of post-larvae (Acosta & Butler 1997;Marx & Herrnkind 1985, Yoshimura & Yamakawa 1988. Inshore traps were deployed on small, low-profile reefs surrounded by large expanses of sand, which may have been unsuitable settlement area and could account for the absence of small lobsters in dive catches around traps (Fig.…”

Section: Lobster Movementmentioning

confidence: 99%

Movement patterns of the East Coast rock lobster Panulirus homarus rubellus on the coast of KwaZulu-Natal, South Africa

Steyn

Schleyer

2011

New Zealand Journal of Marine and Freshwater Research

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A tagging study was undertaken on Blood Reef off Durban, South Africa, to investigate movement patterns of Panulirus homarus rubellus as well as inshore/offshore population differences. Lobsters were collected by SCUBA divers and baited traps. Traps caught larger lobsters than divers and trap catches were somewhat male-dominated (40% female:60% male). Lobsters were predominately resident with only 3% of recaptured lobsters moving over 500 m. Long shore movements were probably related to foraging behaviour and sanding and scouring of reefs. Larger lobsters were caught on offshore reefs (!10 m depth) than on inshore reefs (B10 m depth). The absence of large lobsters (!100 mm carapace length, CL) on inshore reefs may be related to fishing mortality. Low juvenile numbers (B50 mm CL) on offshore reefs suggest that post-larval lobsters settle on inshore reefs. An exponential decay model indicated that a small percentage of the population (males: 1.3%; females: 2.5%) move offshore with females mainly moving at 3 years of age and males between 1 and 3 years of age.

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“…Those species live on steep volcanic islands or banks and show limited movements thereafter because of depth limitations between suitable habitats, but other species like P. cygnus and P. a. argus settle in special shallow water habitats, and migrate offshore to the adult grounds. The successful survival of the non-feeding puerulus depends not only on its accumulated food reserves and its swimming prowess but also its ability to detect and settle in an area that provides individual protection, such as natural crevices or small-sized close-fitting holes that are often left in the solid substrate by dead borers such as pholad molluscs (Yoshimura & Yamakawa 1988;Jernakoff 1990;Norman et al 1994). Booth (2001) concluded that "puerulus settlement of Jasus edwardsii is a process of active searching and habitat choice, at the small scale".…”

Section: Puerulus Phasementioning

confidence: 99%

Review

George

2005

New Zealand Journal of Marine and Freshwater Research

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A comparison of the documented ecology and behaviour of the separate phases in the life cycles is presented. Data gathered during the review show that during the evolution of the family from deeper-water habitats to the more rapidly fluctuating shallower waters, there have been many biological adjustments at each phase in their life cycles. In the more ancient Stridentes genera, like Puerulus, the larvae are found well below the surface waters and the pueruli often settle at greater depths than those of the adults. Long incubation times, few larval instars, and year-round spawning are probably their life cycle characteristics. As an "intermediateevolved" genus of Stridentes, Palinurus lives along the outer shelf, grows slowly, matures late, and breeds seasonally once a year. Incubation time is long, the larvae live at depth, the number of larval instars is limited, and the puerulus is a weak swimmer. Settlement is often downstream of the breeding stock. Incubation times are short for the more recently evolved Stridentes Panulirus, the larvae pass through many instars in the surface waters to c. 200 m. Some pueruli settle in special coastal habitats, others settle in the same habitat as the adult. Breeding in the cooler water First Major Lineage species is seasonal, one or two broods being pro- changes from deep to shallower water is comparable with that of Stridentes. Incubation is probably long in the more ancient Projasus, the larvae are rare in surface waters and the pueruli settle at depths similar to those of the adults. Sagmariasus and Jasus breed once during a defined season, incubation time is moderate, and the larvae pass through many instars. The pueruli of Sagmariasus settle downstream and exhibit contranatant migration whereas the pueruli of Jasus swim strongly to their shallow habitats. In each life cycle phase, migration methods range from vertical paddling in phyllosomata, horizontal swimming in pueruli, and horizontal walking when juveniles move to adult habitats. Adult movements are associated with foraging, searching for shelter, avoiding adverse seasonal conditions, or walking to preferred offshore locations for moulting and reproduction.

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Microhabitat and Behavior of Settled Pueruli and Juveniles of the Japanese Spiny Lobster Panulirus japonicus at Kominato, Japan

Cited by 39 publications

References 0 publications

Recruitment of shore crabsCarcinus maenas on tidal flats: Mussel clumps as an important refuge for juveniles

Recruitment of shore crabsCarcinus maenas on tidal flats: Mussel clumps as an important refuge for juveniles

Movement patterns of the East Coast rock lobster Panulirus homarus rubellus on the coast of KwaZulu-Natal, South Africa

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