Quantification of the maximal swimming performance of Australasian glass eels,<i>Anguilla australis</i>and<i>Anguilla reinhardtii</i>, using a hydraulic flume swimming chamber

Langdon, Shane A.; Collins, Adrian L.

doi:10.1080/00288330.2000.9516963

Cited by 17 publications

(10 citation statements)

References 15 publications

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“…The average swimming speeds recorded for the temperate larvae in the present study ranged from 6.3 to 11.2 BL s ; Fukuhara 1985, 1987, Blaxter 1986, Miller et al 1988, Langdon & Collins 2000. Lower water temperature can reduce the swimming speed of fish larvae (Fuiman & Batty 1997).…”

Section: Discussionmentioning

confidence: 99%

Behaviour of settlement-stage larvae of fishes with an estuarine juvenile phase: in situ observations in a warm-temperate estuary

Trnski¹

2002

Mar. Ecol. Prog. Ser.

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Observations of behaviour were made on a total of 103 settlement-stage larvae (9 to 15 mm standard length [SL]) of 4 species of estuary-dependent fishes in Lake Macquarie, a barrier estuary on the central coast of New South Wales, Australia. Larvae were released at mid-depth over deep water or within sight of settlement habitat, and their behaviour was observed by SCUBA divers. ) for Pagrus auratus (all family Sparidae) and 12.5 cm s -1 (11.2 BL s -1 ) for Girella tricuspidata (Girellidae). These speeds were faster than previously recorded for temperate fish larvae. It is hypothesised that body morphology determines swimming ability. At these speeds, the larvae are faster than ambient currents. The majority of larvae of all species swam in a directional (non-random) manner, but there was no evidence that the larvae were orienting to the shoreline or the sun. There were species-specific differences in depth profile: the 3 species that settle in seagrass beds preferentially swam near the surface; P. auratus, which settles over soft bottoms, preferentially swam to the bottom. Swimming near the surface in Lake Macquarie brings larvae into strong wind-driven surface currents that carry them to a shoreline and settlement habitat. Larvae of only G. tricuspidata (1 of 3 species that settle in seagrass) were rarely observed to settle when they were released within sight of a seagrass margin.

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Section: Discussionmentioning

confidence: 99%

Behaviour of settlement-stage larvae of fishes with an estuarine juvenile phase: in situ observations in a warm-temperate estuary

Trnski¹

2002

Mar. Ecol. Prog. Ser.

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“…Previous studies of the swimming performance of juvenile European eel 12 , 23 , 33 – 36 provide inconsistent results 15 , 35 . Clough and Turnpenny 33 proposed a burst velocity value equal to 0.41 ms -1 , that is lower than the value proposed by McCleave 23 , which is 0.54 ms -1 , or the value of 0.80 ms -1 provided by Tsukamoto et al 12 .…”

Section: Introductionmentioning

confidence: 98%

“…In general, the flow velocity experienced by fish during swimming tests is commonly assumed to be, implicitly or explicitly, identical to the average cross-sectional velocity. This average velocity value is estimated by dividing flow discharge by the channel cross-sectional area 1 , 11 – 13 , or by measuring velocities in one cross-section or at one single point in the channel 14 , 15 . Rarely 10 , 16 , 17 , the heterogeneity of the flow field is taken into consideration and measured.…”

Section: Introductionmentioning

confidence: 99%

Rethinking swimming performance tests for bottom-dwelling fish: the case of European glass eel (Anguilla anguilla)

Vezza

Libardoni

Manes

et al. 2020

Sci Rep

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Systematic experiments on European eel (Anguilla anguilla) in their juvenile, early life stage (glass eel), were conducted to provide new insights on the fish swimming performance and propose a framework of analysis to design swimming-performance experiments for bottom-dwelling fish. In particular, we coupled experimental and computational fluid dynamics techniques to: (i) accommodate glass eel burst-and-coast swimming mode and estimate the active swimming time (tac), not considering coast and drift periods, (ii) estimate near-bottom velocities (Ub) experienced by the fish, rather than using bulk averages (U), (iii) investigate water temperature (T) influence on swimming ability, and (iv) identify a functional relation between Ub, tac and T. Results showed that burst-and-coast swimming mode was increasingly adopted by glass eel, especially when U was higher than 0.3 ms-1. Using U rather than Ub led to an overestimation of the fish swimming performance from 18 to 32%, on average. Under the range of temperatures analyzed (from 8 to 18 °C), tac was strongly influenced and positively related to T. As a final result, we propose a general formula to link near-bottom velocity, water temperature and active swimming time which can be useful in ecological engineering applications and reads as $${\rm{U}}_{\rm{b}}=0.174\cdot \left({{\rm{t}}_{\rm{ac}}}^{-0.36}\cdot {\rm{T}}^{0.77}\right)$$ U b = 0.174 · t ac - 0.36 · T 0.77 .

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“…Swim speeds for numerous North American fish species have been well researched in both fishway and flume studies. There are few detailed studies of swimming capabilities of Australian species, although Australian bass, barramundi, and Australasian glass eels are the exception (Langdon & Collins, ; Mallen‐Cooper, ). Mallen‐Cooper () used an experimental vertical slot fishway to determine maximum negotiable velocities for Australian bass and found that 95% of juveniles 40 mm and 93 mm in length could negotiate velocities of 1.02 ms −1 and 1.84 ms −1 , respectively, over short (~30 cm) distances.…”

Section: Introductionmentioning

confidence: 99%

Fish passage modelling for environmental flows: Hawkesbury‐Nepean River, NSW, Australia

Reinfelds¹,

Keenan

Walsh

2019

River Research & Apps

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Quantification of the maximal swimming performance of Australasian glass eels,Anguilla australisandAnguilla reinhardtii, using a hydraulic flume swimming chamber

Cited by 17 publications

References 15 publications

Behaviour of settlement-stage larvae of fishes with an estuarine juvenile phase: in situ observations in a warm-temperate estuary

Behaviour of settlement-stage larvae of fishes with an estuarine juvenile phase: in situ observations in a warm-temperate estuary

Rethinking swimming performance tests for bottom-dwelling fish: the case of European glass eel (Anguilla anguilla)

Fish passage modelling for environmental flows: Hawkesbury‐Nepean River, NSW, Australia

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