Use of the Bill during Feeding in the Black Marlin (Makaira indica)

Elst, R.P. van der; Roxburgh, Mark

doi:10.2307/1444059

Cited by 9 publications

(6 citation statements)

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“…). Other evidence of spearing comes from injuries to prey items reported in dietary studies, and direct observation (Wisner, ; van der Elst and Roxburgh, ). Whether this is a common feeding behavior in nature remains uncertain, although our results suggest that the blue marlin is mechanically more likely to engage in this type of feeding behavior.…”

Section: Discussionmentioning

confidence: 99%

Feeding Biomechanics in Billfishes: Investigating the Role of the Rostrum through Finite Element Analysis

Habegger

Motta

Huber

et al. 2019

The Anatomical Record

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Billfishes are large pelagic fishes that have an extreme elongation of the upper jaw bones forming the rostrum. Recent kinematic and biomechanical studies show the rostrum to be associated to feeding, however, it is less clear how the wide range of morphologies present among billfish may affect their striking behavior. In this study, we aim to assess the mechanical performance of different rostrum morphologies under loads that simulate feeding and to test existing hypotheses of species-specific feeding behaviors. We use finite element analysis (FEA)-a physics-based method that predicts patterns of stress and strain in morphologically complex structures under specified boundary conditions-to test hypotheses on the form and mechanical performance of billfish rostra. Patterns of von Mises stress and total strain energy suggest that distinct rostral morphologies may be functionally segregated. The rounder blue marlin rostrum may be better suited for a wide range of slashing motions to disable prey, whereas the more flattened swordfish rostrum appears to be more specialized for lateral swiping during prey capture. The almost homogenous stress distribution along each rostrum implies their possible use as a predatory weapon regardless of morphological differences between species. The mechanical implications of other less commonly reported behaviors such as spearing are discussed, as well as the potential impact of hydrodynamics in shaping the evolution of the rostrum in this lineage. Anat Rec, 303:44-52, 2020.

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Section: Discussionmentioning

confidence: 99%

Feeding Biomechanics in Billfishes: Investigating the Role of the Rostrum through Finite Element Analysis

Habegger

Motta

Huber

et al. 2019

The Anatomical Record

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“…These conclusions are based on observations of feeding behavior and/ or the presence of slashed or gored prey in the stomach contents (Townsend 1923, 1924, Earle 1940, Gudger 1940, Vos 1953, Wisner 1958, Talbot & Penrith 1962, Scott & Tibbo 1968, Evans & Wares 1972, Yamaguchi 1974, van der Elst & Roxburgh 1981, Nakamura 1983, see also photo in Brock 1987).…”

Section: Discussionmentioning

confidence: 99%

“…An incredible vaIstiophoridae and Xiphiidae are renowned not only riety of objects in pelagic environments have been reported as being impaled by billfishes. In broad categories, the list of speared objects includes: large fishes, including other billfish (Voss 1953, Wisner 1958, Stark 1960, Talbot & Penrith 1962, Tinsley 1964, Strasburg 1969, Evans & Wares 1972, Goadby 1975, van der Elst & Roxburgh 1981, Nakamura 1983.5) whales (Jonsgard 1959, Tinsley 1964, Major 1979, inanimate objects at the surface, such as bales of rubber, boats, and ships (Townsend 1924, Walford 1937, Gudger 1940, Wisner 1958, Tinsley 1964, Mather 1976, Achaval & Prigioni 1988l), deep-diving vessels (Anon. 1967, Mather 1976) and people, including a deep-sea diver (Gudger 1940, Tinsley 1964, Anon.…”

Section: Introductionmentioning

confidence: 99%

“…1967, Mather 1976) and people, including a deep-sea diver (Gudger 1940, Tinsley 1964, Anon. 1966, as well as a near miss of a skindiver (van der Elst & Roxburgh 1981). It is therefore remarkable that there are but two known published records of billfishes impaling marine turtles: one is only a photograph (Yamaguchi 1973 [published again in Yamaguchi 19891) and the other is a brief resume (Achaval & Prigioni').…”

Section: Introductionmentioning

confidence: 99%

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Impalement of marine turtles (Reptitia, Chelonia: Cheloniidae and Dermochelyidae) by billfishes (Osteichthyes, Perciformes: Istiophoridae and Xiphiidae)

et al. 1994

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SynopsisBillfishes have long been known to impale a great variety of objects, but there are only two brief, obscure records of marine turtles being speared. Details are presented on these two, as well as on two other confirmed records; data from two additional unconfirmed records are also presented. In total, three species of marine turtles are known to have been impaled by three species of billfishes; a fourth species of fish and a fourth species turtle are listed in an unconfirmed case. Records come from the eastern and western Pacific as well as the eastern Atlantic. Of the four confirmed cases, the turtles survived in two, and apparently died as an effect of the spearing in the other two. In three confirmed cases only the impaled rostrum was encountered, and in one confirmed case the entire fish was found, with its rostrum piercing the turtle. There is no obvious advantage -or clear disadvantage -involved in impaling turtles. It is argued that these attacks are accidental, and the result of attempts made by the billfish to capture prey that are near the turtle. These spearings indicate that the chelonians serve as shelters for prey animals on the high seas, and thus, are further evidence of the pelagic existence of marine turtles. The impalings are evidence of a singular ecological role of the turtles -as live fish aggregation devices.

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“…The primary function of this structure is still a subject of speculation, but several of studies have reported different functional uses. One functional use of the bill is as a weapon for prey capture by striking (Nakamura 1983) or spearing prey (van der Elst 1981). Previous studies of marlin stomach contents have reported injury on the bodies of the prey fish found in the stomach of billfish (Shimose et al 2007).…”

Section: Taxonomy and Morphologymentioning

confidence: 99%

Habitat Preferences of Blue Marlin (Makaira nigricans) and Black Marlin (Istiompax indica) in the Eastern Pacific Ocean

Farchadi¹,

Hinton²,

Thompson³

et al.

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Use of the Bill during Feeding in the Black Marlin (Makaira indica)

Cited by 9 publications

References 0 publications

Feeding Biomechanics in Billfishes: Investigating the Role of the Rostrum through Finite Element Analysis

Feeding Biomechanics in Billfishes: Investigating the Role of the Rostrum through Finite Element Analysis

Impalement of marine turtles (Reptitia, Chelonia: Cheloniidae and Dermochelyidae) by billfishes (Osteichthyes, Perciformes: Istiophoridae and Xiphiidae)

Habitat Preferences of Blue Marlin (Makaira nigricans) and Black Marlin (Istiompax indica) in the Eastern Pacific Ocean

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